Trade union - wikipedia Trade union `` Labor leader '' redirects here. It is not to be confused with Labour Leader. `` Labour union '' redirects here. For the Polish political party, see Labour Union ( Poland ). For the British political party, see Labour Union ( UK ). For the Canadian political party, see Union Labour. For the album by King Syze, see The Labor Union. Part of a series on Organized labour Labour movement Timeline New Unionism Proletariat Social Movement Unionism Socialism Syndicalism Anarcho - syndicalism Labour rights Child labour Eight - hour day Five - day work week Annual leave Collective bargaining Minimum wage Occupational safety and health Trade unions Trade unions by country Trade union federations International comparisons ITUC IWA WFTU Strike action Chronological list of strikes General strike Secondary action Sitdown strike Work - to - rule Labour parties Australian British Dutch Irish Israeli Maltese New Zealand Norwegian List of Labour parties Academic disciplines Industrial relations Labour economics Labour history Labour law A trade union or trades union, also called a labour union ( Canada ) or labor union ( US ), is an organization of workers who have come together to achieve many common goals ; such as protecting the integrity of its trade, improving safety standards, and attaining better wages, benefits ( such as vacation, health care, and retirement ), and working conditions through the increased bargaining power wielded by the creation of a monopoly of the workers. The trade union, through its leadership, bargains with the employer on behalf of union members ( rank and file members ) and negotiates labour contracts ( collective bargaining ) with employers. The most common purpose of these associations or unions is `` maintaining or improving the conditions of their employment ''. This may include the negotiation of wages, work rules, complaint procedures, rules governing hiring, firing and promotion of workers, benefits, workplace safety and policies. Unions may organize a particular section of skilled workers ( craft unionism ), a cross-section of workers from various trades ( general unionism ), or attempt to organize all workers within a particular industry ( industrial unionism ). The agreements negotiated by a union are binding on the rank and file members and the employer and in some cases on other non-member workers. Trade unions traditionally have a constitution which details the governance of their bargaining unit and also have governance at various levels of government depending on the industry that binds them legally to their negotiations and functioning. Originating in Great Britain, trade unions became popular in many countries during the Industrial Revolution. Trade unions may be composed of individual workers, professionals, past workers, students, apprentices or the unemployed. Trade union density, or the percentage of workers belonging to a trade union, is highest in the Nordic countries. Contents 1 Definition 2 History 2.1 National general unions 2.2 Legalization and expansion 3 Prevalence 4 Trade unions by country 4.1 Australia 4.2 Belgium 4.3 Canada 4.4 Colombia 4.5 Costa Rica 4.6 Germany 4.7 India 4.8 Japan 4.9 Mexico 4.10 Scandinavia 4.11 United Kingdom 4.12 United States 4.13 Vatican ( Holy See ) 5 Structure and politics 6 Shop types 7 Diversity of international unions 8 International unionization 9 Criticisms 10 Union publications 11 Film 12 See also 13 Notes and references 14 Further reading 14.1 Britain 14.2 United States 14.3 Other 15 External links Definition Since the publication of the History of Trade Unionism ( 1894 ) by Sidney and Beatrice Webb, the predominant historical view is that a trade union `` is a continuous association of wage earners for the purpose of maintaining or improving the conditions of their employment. '' Karl Marx described trade unions thus : `` The value of labour - power constitutes the conscious and explicit foundation of the trade unions, whose importance for the (... ) working class can scarcely be overestimated. The trade unions aim at nothing less than to prevent the reduction of wages below the level that is traditionally maintained in the various branches of industry. That is to say, they wish to prevent the price of labour - power from falling below its value '' ( Capital V1, 1867, p. 1069 ). A modern definition by the Australian Bureau of Statistics states that a trade union is `` an organization consisting predominantly of employees, the principal activities of which include the negotiation of rates of pay and conditions of employment for its members. '' Yet historian R.A. Leeson, in United we Stand ( 1971 ), said : Two conflicting views of the trade - union movement strove for ascendancy in the nineteenth century : one the defensive - restrictive guild - craft tradition passed down through journeymen 's clubs and friendly societies,... the other the aggressive - expansionist drive to unite all ' labouring men and women ' for a ' different order of things '. Recent historical research by Bob James in Craft, Trade or Mystery ( 2001 ) puts forward the view that trade unions are part of a broader movement of benefit societies, which includes medieval guilds, Freemasons, Oddfellows, friendly societies, and other fraternal organizations. The 18th century economist Adam Smith noted the imbalance in the rights of workers in regards to owners ( or `` masters '' ). In The Wealth of Nations, Book I, chapter 8, Smith wrote : We rarely hear, it has been said, of the combination of masters, though frequently of those of workmen. But whoever imagines, upon this account, that masters rarely combine, is as ignorant of the world as of the subject. Masters are always and everywhere in a sort of tacit, but constant and uniform combination, not to raise the wages of labor above their actual rate (. ) When workers combine, masters... never cease to call aloud for the assistance of the civil magistrate, and the rigorous execution of those laws which have been enacted with so much severity against the combination of servants, labourers and journeymen. As Smith noted, unions were illegal for many years in most countries, although Smith argued that it should remain illegal to fix wages or prices by employees or employers. There were severe penalties for attempting to organize unions, up to and including execution. Despite this, unions were formed and began to acquire political power, eventually resulting in a body of labour law that not only legalized organizing efforts, but codified the relationship between employers and those employees organized into unions. History Early 19th century workplace militancy manifested in the Luddite riots, when unemployed workers destroyed labour saving machines The origins of trade unions can be traced back to 18th century Britain, where the rapid expansion of industrial society then taking place, drew women, children, rural workers and immigrants into the work force in large numbers and in new roles. This pool of unskilled and semi-skilled labour spontaneously organized in fits and starts throughout its beginnings, and would later be an important arena for the development of trade unions. Trade unions have sometimes been seen as successors to the guilds of medieval Europe, though the relationship between the two is disputed, as the masters of the guilds employed workers ( apprentices and journeymen ) who were not allowed to organize. Trade unions and collective bargaining were outlawed from no later than the middle of the 14th century when the Ordinance of Labourers was enacted in the Kingdom of England. As collective bargaining and early worker unions grew with the onset of the Industrial Revolution, the government began to clamp down on what it saw as the danger of popular unrest at the time of the Napoleonic Wars. In 1799, the Combination Act was passed, which banned trade unions and collective bargaining by British workers. Although the unions were subject to often severe repression until 1824, they were already widespread in cities such as London. Workplace militancy had also manifested itself as Luddism and had been prominent in struggles such as the 1820 Rising in Scotland, in which 60,000 workers went on a general strike, which was soon crushed. Sympathy for the plight of the workers brought repeal of the acts in 1824, although the Combination Act 1825 severely restricted their activity. By the 1810s, the first labour organizations to bring together workers of divergent occupations were formed. Possibly the first such union was the General Union of Trades, also known as the Philanthropic Society, founded in 1818 in Manchester. The latter name was to hide the organization 's real purpose in a time when trade unions were still illegal. National general unions Poster issued by the London Trades Council, advertising a demonstration held on 2 June 1873 The first attempts at setting up a national general union were made in the 1820s and 30 's. The National Association for the Protection of Labour was established in 1830 by John Doherty, after an apparently unsuccessful attempt to create a similar national presence with the National Union of Cotton - spinners. The Association quickly enrolled approximately 150 unions, consisting mostly of textile related unions, but also including mechanics, blacksmiths, and various others. Membership rose to between 10,000 and 20,000 individuals spread across the five counties of Lancashire, Cheshire, Derbyshire, Nottinghamshire and Leicestershire within a year. To establish awareness and legitimacy, the union started the weekly Voice of the People publication, having the declared intention `` to unite the productive classes of the community in one common bond of union. '' In 1834, the Welsh socialist Robert Owen established the Grand National Consolidated Trades Union. The organization attracted a range of socialists from Owenites to revolutionaries and played a part in the protests after the Tolpuddle Martyrs ' case, but soon collapsed. More permanent trade unions were established from the 1850s, better resourced but often less radical. The London Trades Council was founded in 1860, and the Sheffield Outrages spurred the establishment of the Trades Union Congress in 1868, the first long - lived national trade union center. By this time, the existence and the demands of the trade unions were becoming accepted by liberal middle class opinion. In Principles of Political Economy ( 1871 ) John Stuart Mill wrote : If it were possible for the working classes, by combining among themselves, to raise or keep up the general rate of wages, it needs hardly be said that this would be a thing not to be punished, but to be welcomed and rejoiced at. Unfortunately the effect is quite beyond attainment by such means. The multitudes who compose the working class are too numerous and too widely scattered to combine at all, much more to combine effectually. If they could do so, they might doubtless succeed in diminishing the hours of labour, and obtaining the same wages for less work. They would also have a limited power of obtaining, by combination, an increase of general wages at the expense of profits. Legalization and expansion Labour union demonstrators held at bay by soldiers during the 1912 Lawrence textile strike in Lawrence, Massachusetts Trade unions were finally legalized in 1872, after a Royal Commission on Trade Unions in 1867 agreed that the establishment of the organizations was to the advantage of both employers and employees. This period also saw the growth of trade unions in other industrializing countries, especially the United States, Germany and France. In the United States, the first effective nationwide labour organization was the Knights of Labor, in 1869, which began to grow after 1880. Legalization occurred slowly as a result of a series of court decisions. The Federation of Organized Trades and Labor Unions began in 1881 as a federation of different unions that did not directly enrol workers. In 1886, it became known as the American Federation of Labor or AFL. In Germany the Free Association of German Trade Unions was formed in 1897 after the conservative Anti-Socialist Laws of Chancellor Otto von Bismarck were repealed. In France, labour organization was illegal until 1884. The Bourse du Travail was founded in 1887 and merged with the Fédération nationale des syndicats ( National Federation of Trade Unions ) in 1895 to form the General Confederation of Labour ( France ). Prevalence The percentage of union election campaigns accompanied by illegal firings increased during the Reagan administration The prevalence of unions in various countries can be assessed using the measure `` union density ''. The definition of union density is `` the proportion of paid workers who are union members ''. Trade union density figures are provided below for various countries : Trade unions by country Australia Supporters of unions, such as the ACTU or Australian Labor Party ( ALP ), often credit trade unions with leading the labour movement in the early 20th century. This generally sought to end child labour practices, improve worker safety, increase wages for both union workers and non-union workers, raise the entire society 's standard of living, reduce the hours in a work week, provide public education for children, and bring other benefits to working class families. Melbourne Trades Hall was opened in 1859 with Trades and Labour Councils and Trades Halls opening in all cities and most regional towns in the following forty years. During the 1880s Trade unions developed among shearers, miners, and stevedores ( wharf workers ), but soon spread to cover almost all blue - collar jobs. Shortages of labour led to high wages for a prosperous skilled working class, whose unions demanded and got an eight - hour day and other benefits unheard of in Europe. Eight - hour day march circa 1900, outside Parliament House in Spring Street, Melbourne. Australia gained a reputation as `` the working man 's paradise. '' Some employers tried to undercut the unions by importing Chinese labour. This produced a reaction which led to all the colonies restricting Chinese and other Asian immigration. This was the foundation of the White Australia Policy. The `` Australian compact '', based around centralised industrial arbitration, a degree of government assistance particularly for primary industries, and White Australia, was to continue for many years before gradually dissolving in the second half of the 20th century. In the 1870s and 1880s, the growing trade union movement began a series of protests against foreign labour. Their arguments were that Asians and Chinese took jobs away from white men, worked for `` substandard '' wages, lowered working conditions and refused unionisation. Objections to these arguments came largely from wealthy land owners in rural areas. It was argued that without Asiatics to work in the tropical areas of the Northern Territory and Queensland, the area would have to be abandoned. Despite these objections to restricting immigration, between 1875 and 1888 all Australian colonies enacted legislation which excluded all further Chinese immigration. Asian immigrants already residing in the Australian colonies were not expelled and retained the same rights as their Anglo and Southern compatriots. The Barton Government which came to power following the first elections to the Commonwealth parliament in 1901 was formed by the Protectionist Party with the support of the Australian Labor Party. The support of the Labor Party was contingent upon restricting non-white immigration, reflecting the attitudes of the Australian Workers Union and other labour organisations at the time, upon whose support the Labor Party was founded. Belgium Main article : List of trade unions in Belgium With 65 % of the workers belonging to a union Belgium is a country with one of the highest percentages of labour union membership. Only the Scandinavian countries have a higher labour union density. The biggest union with around 1.7 million members is the Christian democrat Confederation of Christian Trade Unions ( ACV - CSC ) which was founded in 1904. The origins of the union can be traced back to the `` Anti-Socialist Cotton Workers Union '' that was founded in 1886. The second biggest union is the socialist General Federation of Belgian Labour ( ABVV - FGTB ) which has a membership of more than 1.5 million. The ABVV - FGTB traces its origins to 1857, when the first Belgian union was founded in Ghent by a group of weavers. The socialist union, in its current form, was founded in 1898. The third ' big ' union in Belgium is the liberal General Confederation of Liberal Trade Unions of Belgium ( ACLVB - CGSLB ) which is relatively small in comparison to the first two with a little under 290 thousand members. The ACLVB - CGSLB was founded in 1920 in an effort to unite the many small liberal unions. Back then the liberal union was known as the `` Nationale Centrale der Liberale Vakbonden van België ''. In 1930, the ACLVB - CGSLB adopted its current name. Besides these `` big three '' there is a long list of smaller unions, some more influential then others. These smaller unions tend to specialize in one profession or economic sector. Next to these specialized unions there is also the Neutral and Independent Union that reject the pillarization that, according to them, the `` big three '' represent. There is also a small Flemish nationalist union that exists only in the Flemish - speaking part of Belgium, called the Vlaamse Solidaire Vakbond. The last Belgian union worth mentioning is the very small, but highly active anarchist union called the Vrije Bond. Canada Labour unions have existed in Canada since the early 1800s. There is a record of skilled tradesmen in the Maritimes having a union organization during the War of 1812. Canadian unionism had early ties with Britain. Tradesmen who came from Britain brought traditions of the British trade union movement, and many British unions had branches in Canada. Canadian unionism ties with the United States eventually replaced those with Britain. Collective bargaining was first recognized in 1945, following a strike by the United Auto Workers at the General Motors ' plant in Oshawa, Ontario. Justice Ivan Rand issued a landmark legal decision following a strike in Windsor, Ontario, involving 17,000 Ford workers. He granted the union the compulsory check - off of union dues. Rand ruled that all workers in a bargaining unit benefit from a union - negotiated contract. Therefore, he reasoned they must pay union dues, although they do not have to join the union. The post-World War II era also saw an increased pattern of unionization in the public service. Teachers, nurses, social workers, professors and cultural workers ( those employed in museums, orchestras and art galleries ) all sought private - sector collective bargaining rights. The Canadian Labour Congress was founded in 1956 as the national trade union center for Canada. In the 1970s the federal government came under intense pressures to curtail labour cost and inflation. In 1975, the Liberal government of Pierre Trudeau introduced mandatory price and wage controls. Under the new law, wages increases were monitored and those ruled to be unacceptably high were rolled back by the government. Pressures on unions continued into the 1980s and ' 90 's. Private sector unions faced plant closures in many manufacturing industries and demands to reduce wages and increase productivity. Public sector unions came under attack by federal and provincial governments as they attempted to reduce spending, reduce taxes and balance budgets. Legislation was introduced in many jurisdictions reversing union collective bargaining rights, and many jobs were lost to contractors. Prominent domestic unions in Canada include ACTRA, the Canadian Union of Postal Workers, the Canadian Union of Public Employees, the Public Service Alliance of Canada, the National Union of Public and General Employees, and Unifor. International unions active in Canada include the International Alliance of Theatrical Stage Employees, United Automobile Workers, United Food and Commercial Workers, and United Steelworkers. Colombia Main article : Trade unions in Colombia Until around 1990 Colombian trade unions were among the strongest in Latin America. However, the 1980s expansion of paramilitarism in Colombia saw trade union leaders and members increasingly targeted for assassination, and as a result Colombia has been the most dangerous country in the world for trade unionists for several decades. Between 2000 and 2010 Colombia accounted for 63.12 % of trade unionists murdered globally. According to the International Trade Union Confederation ( ITUC ) there were 2832 murders of trade unionists between 1 January 1986 and 30 April 2010, meaning that `` on average, men and women trade unionists in Colombia have been killed at the rate of one every three days over the last 23 years. '' Costa Rica Main article : Trade unions in Costa Rica Costa Rican agricultural unions demonstration, January 2011 In Costa Rica, trade unions first appeared in the late 1800s to support workers in a variety of urban and industrial jobs, such as railroad builders and craft tradesmen. After facing violent repression, such as during the 1934 United Fruit Strike, unions gained more power following the 1948 Costa Rican Civil War. Today, Costa Rican unions are strongest in the public sector, including the fields of education and medicine, but also have a strong presence in the agricultural sector. In general, Costa Rican unions support government regulation of the banking, medical, and education fields, as well as improved wages and working conditions. Germany Main article : Trade unions in Germany Trade unions in Germany have a history reaching back to the German revolution in 1848, and still play an important role in the German economy and society. In 1875 the SPD, the Social Democratic Party of Germany, which is one of the biggest political parties in Germany, supported the forming of unions in Germany. The most important labour organisation is the German Confederation of Trade Unions ( Deutscher Gewerkschaftsbund -- DGB ), which represents more than 6 million people ( 31 December 2011 ) and is the umbrella association of several single trade unions for special economic sectors. The DBG is not the only Union Organization that represents the working trade. There are smaller organizations, such as the CGB, which is a Christian - based confederation, that represent over 1.5 million people. India Main article : Trade unions in India In India, the Trade Union movement is generally divided on political lines. According to provisional statistics from the Ministry of Labour, trade unions had a combined membership of 24,601,589 in 2002. As of 2008, there are 11 Central Trade Union Organisations ( CTUO ) recognized by the Ministry of Labour. The forming of these unions was a big deal in India. It led to a big push for more regulatory laws which gave workers a lot more power. A trade union with nearly 2,000,000 members is the Self Employed Women 's Association ( SEWA ) which protects the rights of Indian women working in the informal economy. In addition to the protection of rights, SEWA educates, mobilizes, finances, and exalts their members ' trades. Multiple other organizations represent workers. These organizations are formed upon different political groups. These different groups allow different groups of people with different political views to join a Union. Japan Main article : Labor unions in Japan 2011 National Trade Union Council ( Zenrokyo ) May Day march, Tokyo Labour unions emerged in Japan in the second half of the Meiji period as the country underwent a period of rapid industrialization. Until 1945, however, the labour movement remained weak, impeded by lack of legal rights, anti-union legislation, management - organised factory councils, and political divisions between `` cooperative '' and radical unionists. In the immediate aftermath of the Second World War, the US Occupation authorities initially encouraged the formation of independent unions. Legislation was passed that enshrined the right to organise, and membership rapidly rose to 5 million by February 1947. The organisation rate, however, peaked at 55.8 % in 1949 and subsequently declined to 18.2 % ( 2006 ). The labour movement went through a process of reorganisation from 1987 to 1991 from which emerged the present configuration of three major labour union federations, Rengo, Zenroren, and Zenrokyo, along with other smaller national union organisations. Mexico Before the 1990s, unions in Mexico had been historically part of a state institutional system. From 1940 until the 1980s, worldwide spread of neo-liberalism through the Washington Consensus, the Mexican unions did not operate independently, but instead as part of a state institutional system, largely controlled by the ruling party. During these 40 years, the primary aim of the labour unions was not to benefit the workers, but to carry out the state 's economic policy under their cosy relationship with the ruling party. This economic policy, which peaked in the 1950s and 60 's with the so - called `` Mexican Miracle '', saw rising incomes and improved standards of living but the primary beneficiaries were the wealthy. In the 1980s, Mexico began adhering to Washington Consensus policies, selling off state industries such as railroad and telecommunications to private industries. The new owners had an antagonistic attitude towards unions, which, accustomed to comfortable relationships with the state, were not prepared to fight back. A movement of new unions began to emerge under a more independent model, while the former institutionalized unions had become very corrupt, violent, and led by gangsters. From the 1990s onwards, this new model of independent unions prevailed, a number of them represented by the National Union of Workers / Unión Nacional de Trabajadores. Current old institutions like the Oil Workers Union and the National Education Workers ' Union ( Sindicato Nacional de Trabajadores de la Educación, or SNTE ) are examples of how the use of government benefits are not being applied to improve the quality in the investigation of the use of oil or the basic education in Mexico as long as their leaders show publicly that they are living wealthily. With 1.4 million members, the teachers ' union is Latin America 's largest ; half of Mexico 's government employees are teachers. It controls school curriculums, and all teacher appointments. Until recently, retiring teachers routinely `` gave '' their lifelong appointment to a relative or `` sell '' it for anywhere in between $4,700 and $11,800. Scandinavia Workers on strike in Oslo, Norway, 2012 Trade unions ( Danish : Fagforeninger, Swedish : Fackföreningar ) have a long tradition in Scandinavian society. Beginning in the mid-19th century, they today have a large impact on the nature of employment and workers ' rights in many of the Nordic countries. One of the largest trade unions in Sweden is the Swedish Confederation of Trade Unions, ( LO, Landsorganisationen ), incorporating unions such as the Swedish Metal Workers ' Union ( IF Metall = Industrifacket Metall ), the Swedish Electricians ' Union ( Svenska Elektrikerförbundet ) and the Swedish Municipality Workers ' Union ( Svenska Kommunalarbetareförbundet, abbreviated Kommunal ). One of the aims of IF Metall is to transform jobs into `` good jobs '', also called `` developing jobs ''. Today, the world 's highest rates of union membership are in the Scandinavian countries. In 2010, the percentage of workers belonging to a union ( labour union density ) was 68.3 % in Sweden and 54.8 % in Norway, while it was 34.9 % in Ireland and 18.4 % in Germany. Excluding full - time students working part - time, Swedish union density was 69 % in 2015 - 2017. In all the Nordic countries with a Ghent system -- Sweden, Denmark and Finland -- union density is about 70 %. The considerably raised membership fees of Swedish union unemployment funds implemented by the new center - right government in January 2007 caused large drops in membership in both unemployment funds and trade unions. From 2006 to 2008, union density declined by six percentage points : from 77 % to 71 %. United Kingdom Main articles : Trade unions in the United Kingdom and History of trade unions in the United Kingdom Public sector workers in Leeds striking over pension changes by the government in November 2011 Moderate New Model Unions dominated the union movement from the mid-19th century and where trade unionism was stronger than the political labour movement until the formation and growth of the Labour Party in the early years of the 20th century. Trade unionism in the United Kingdom was a major factor in some of the economic crises during the 1960s and the 1970s, culminating in the `` Winter of Discontent '' of late 1978 and early 1979, when a significant percentage of the nation 's public sector workers went on strike. By this stage, some 12,000,000 workers in the United Kingdom were trade union members. However, the election of the Conservative Party led by Margaret Thatcher at the general election in May 1979, at the expense of Labour 's James Callaghan, saw substantial trade union reform which saw the level of strikes fall. The level of trade union membership also fell sharply in the 1980s, and continued falling for most of the 1990s. The long decline of most of the industries in which manual trade unions were strong -- e.g. steel, coal, printing, the docks -- was one of the causes of this loss of trade union members. In 2011 there were 6,135,126 members in TUC - affiliated unions, down from a peak of 12,172,508 in 1980. Trade union density was 14.1 % in the private sector and 56.5 % in the public sector. United States Main articles : Labor unions in the United States and Labor history of the United States Labour unions are legally recognized as representatives of workers in many industries in the United States. In the United States, trade unions were formed based on power with the people, not over the people like the government at the time. Their activity today centres on collective bargaining over wages, benefits and working conditions for their membership, and on representing their members in disputes with management over violations of contract provisions. Larger unions also typically engage in lobbying activities and supporting endorsed candidates at the state and federal level. Most unions in America are aligned with one of two larger umbrella organizations : the AFL - CIO created in 1955, and the Change to Win Federation which split from the AFL - CIO in 2005. Both advocate policies and legislation on behalf of workers in the United States and Canada, and take an active role in politics. The AFL - CIO is especially concerned with global trade issues. Child labourers in an Indiana glass works. Trade unions have an objective interest in combating child labour. In 2010, the percentage of workers belonging to a union in the United States ( or total labour union `` density '' ) was 11.4 %, compared to 18.3 % in Japan, 27.5 % in Canada and 70 % in Finland. Union membership in the private sector has fallen under 7 % -- levels not seen since 1932. Unions allege that employer - incited opposition has contributed to this decline in membership. The most prominent unions are among public sector employees such as teachers, police and other non-managerial or non-executive federal, state, county and municipal employees. Members of unions are disproportionately older, male and residents of the Northeast, the Midwest, and California. Union workers in the private sector average 10 - 30 % higher pay than non-union in America after controlling for individual, job, and labour market characteristics. Because of their inherently governmental function, public sector workers are paid the same regardless of union affiliation or non-affiliation after controlling for individual, job, and labour market characteristics. The economist Joseph Stiglitz has asserted that, `` Strong unions have helped to reduce inequality, whereas weaker unions have made it easier for CEOs, sometimes working with market forces that they have helped shape, to increase it. '' The decline in unionization since the Second World War in the United States has been associated with a pronounced rise in income and wealth inequality and, since 1967, with loss of middle class income. Vatican ( holy see ) The Association of Vatican Lay Workers represents lay employees in the Vatican. Structure and Politics Cesar Chavez speaking at a 1974 United Farm Workers rally in Delano, California. The UFW during Chavez 's tenure was committed to restricting immigration. Unions may organize a particular section of skilled workers ( craft unionism, traditionally found in Australia, Canada, Denmark, Norway, Sweden, Switzerland, the UK and the US ), a cross-section of workers from various trades ( general unionism, traditionally found in Australia, Belgium, Canada, Denmark, Netherlands, the UK and the US ), or attempt to organize all workers within a particular industry ( industrial unionism, found in Australia, Canada, Germany, Finland, Norway, South Korea, Sweden, Switzerland, the UK and the US ). These unions are often divided into `` locals '', and united in national federations. These federations themselves will affiliate with Internationals, such as the International Trade Union Confederation. However, in Japan, union organization is slightly different due to the presence of enterprise unions, i.e. unions that are specific to a specific plant or company. These enterprise unions, however, join industry - wide federations which in turn are members of Rengo, the Japanese national trade union confederation. In Western Europe, professional associations often carry out the functions of a trade union. In these cases, they may be negotiating for white - collar or professional workers, such as physicians, engineers or teachers. Typically such trade unions refrain from politics or pursue a more liberal politics than their blue - collar counterparts. A union may acquire the status of a `` juristic person '' ( an artificial legal entity ), with a mandate to negotiate with employers for the workers it represents. In such cases, unions have certain legal rights, most importantly the right to engage in collective bargaining with the employer ( or employers ) over wages, working hours, and other terms and conditions of employment. The inability of the parties to reach an agreement may lead to industrial action, culminating in either strike action or management lockout, or binding arbitration. In extreme cases, violent or illegal activities may develop around these events. The Great Southwest Railroad Strike of 1886 was a trade union strike involving more than 200,000 workers In other circumstances, unions may not have the legal right to represent workers, or the right may be in question. This lack of status can range from non-recognition of a union to political or criminal prosecution of union activists and members, with many cases of violence and deaths having been recorded historically. Unions may also engage in broader political or social struggle. Social Unionism encompasses many unions that use their organizational strength to advocate for social policies and legislation favourable to their members or to workers in general. As well, unions in some countries are closely aligned with political parties. Unions are also delineated by the service model and the organizing model. The service model union focuses more on maintaining worker rights, providing services, and resolving disputes. Alternately, the organizing model typically involves full - time union organizers, who work by building up confidence, strong networks, and leaders within the workforce ; and confrontational campaigns involving large numbers of union members. Many unions are a blend of these two philosophies, and the definitions of the models themselves are still debated. In Britain, the perceived left - leaning nature of trade unions has resulted in the formation of a reactionary right - wing trade union called Solidarity which is supported by the far - right BNP. In Denmark, there are some newer apolitical `` discount '' unions who offer a very basic level of services, as opposed to the dominating Danish pattern of extensive services and organizing. A rally of the trade union UNISON in Oxford during a strike on 28 March 2006 In contrast, in several European countries ( e.g. Belgium, Denmark, the Netherlands and Switzerland ), religious unions have existed for decades. These unions typically distanced themselves from some of the doctrines of orthodox Marxism, such as the preference of atheism and from rhetoric suggesting that employees ' interests always are in conflict with those of employers. Some of these Christian unions have had some ties to centrist or conservative political movements and some do not regard strikes as acceptable political means for achieving employees ' goals. In Poland, the biggest trade union Solidarity emerged as an anti-communist movement with religious nationalist overtones and today it supports the right - wing Law and Justice party. Although their political structure and autonomy varies widely, union leaderships are usually formed through democratic elections. Some research, such as that conducted by the Australian Centre for Industrial Relations Research and Training, argues that unionized workers enjoy better conditions and wages than those who are not unionized. Shop types Companies that employ workers with a union generally operate on one of several models : A closed shop ( US ) or a `` pre-entry closed shop '' ( UK ) employs only people who are already union members. The compulsory hiring hall is an example of a closed shop -- in this case the employer must recruit directly from the union, as well as the employee working strictly for unionized employers. A union shop ( US ) or a `` post-entry closed shop '' ( UK ) employs non-union workers as well, but sets a time limit within which new employees must join a union. An agency shop requires non-union workers to pay a fee to the union for its services in negotiating their contract. This is sometimes called the Rand formula. In certain situations involving state public employees in the United States, such as California, `` fair share laws '' make it easy to require these sorts of payments. An open shop does not require union membership in employing or keeping workers. Where a union is active, workers who do not contribute to a union may include those who approve of the union contract ( free riders ) and those who do not. In the United States, state level right - to - work laws mandate the open shop in some states. In Germany only open shops are legal ; that is, all discrimination based on union membership is forbidden. This affects the function and services of the union. An EU case concerning Italy stated that, `` The principle of trade union freedom in the Italian system implies recognition of the right of the individual not to belong to any trade union ( '' negative '' freedom of association / trade union freedom ), and the unlawfulness of discrimination liable to cause harm to non-unionized employees. '' In Britain, previous to this EU jurisprudence, a series of laws introduced during the 1980s by Margaret Thatcher 's government restricted closed and union shops. All agreements requiring a worker to join a union are now illegal. In the United States, the Taft - Hartley Act of 1947 outlawed the closed shop. In 2006, the European Court of Human Rights found Danish closed - shop agreements to be in breach of Article 11 of the European Convention on Human Rights and Fundamental Freedoms. It was stressed that Denmark and Iceland were among a limited number of contracting states that continue to permit the conclusion of closed - shop agreements. Diversity of International unions Union law varies from country to country, as does the function of unions. For example, German and Dutch unions have played a greater role in management decisions through participation in corporate boards and co-determination than have unions in the United States. Moreover, in the United States, collective bargaining is most commonly undertaken by unions directly with employers, whereas in Austria, Denmark, Germany or Sweden, unions most often negotiate with employers associations. Concerning labour market regulation in the EU, Gold ( 1993 ) and Hall ( 1994 ) have identified three distinct systems of labour market regulation, which also influence the role that unions play : `` In the Continental European System of labour market regulation, the government plays an important role as there is a strong legislative core of employee rights, which provides the basis for agreements as well as a framework for discord between unions on one side and employers or employers ' associations on the other. This model was said to be found in EU core countries such as Belgium, France, Germany, the Netherlands and Italy, and it is also mirrored and emulated to some extent in the institutions of the EU, due to the relative weight that these countries had in the EU until the EU expansion by the inclusion of 10 new Eastern European member states in 2004. In the Anglo - Saxon System of labour market regulation, the government 's legislative role is much more limited, which allows for more issues to be decided between employers and employees and any union or employers ' associations which might represent these parties in the decision - making process. However, in these countries, collective agreements are not widespread ; only a few businesses and a few sectors of the economy have a strong tradition of finding collective solutions in labour relations. Ireland and the UK belong to this category, and in contrast to the EU core countries above, these countries first joined the EU in 1973. In the Nordic System of labour market regulation, the government 's legislative role is limited in the same way as in the Anglo - Saxon system. However, in contrast to the countries in the Anglo - Saxon system category, this is a much more widespread network of collective agreements, which covers most industries and most firms. This model was said to encompass Denmark, Finland, Norway and Sweden. Here, Denmark joined the EU in 1973, whereas Finland and Sweden joined in 1995. '' The United States takes a more laissez - faire approach, setting some minimum standards but leaving most workers ' wages and benefits to collective bargaining and market forces. Thus, it comes closest to the above Anglo - Saxon model. Also, the Eastern European countries that have recently entered into the EU come closest to the Anglo - Saxon model. In contrast, in Germany, the relation between individual employees and employers is considered to be asymmetrical. In consequence, many working conditions are not negotiable due to a strong legal protection of individuals. However, the German flavor or works legislation has as its main objective to create a balance of power between employees organized in unions and employers organized in employers associations. This allows much wider legal boundaries for collective bargaining, compared to the narrow boundaries for individual negotiations. As a condition to obtain the legal status of a trade union, employee associations need to prove that their leverage is strong enough to serve as a counterforce in negotiations with employers. If such an employees association is competing against another union, its leverage may be questioned by unions and then evaluated in a court trial. In Germany, only very few professional associations obtained the right to negotiate salaries and working conditions for their members, notably the medical doctors association Marburger Bund and the pilots association Vereinigung Cockpit. The engineers association Verein Deutscher Ingenieure does not strive to act as a union, as it also represents the interests of engineering businesses. Beyond the classification listed above, unions ' relations with political parties vary. In many countries unions are tightly bonded, or even share leadership, with a political party intended to represent the interests of the working class. Typically this is a left - wing, socialist, or social democratic party, but many exceptions exist, including some of the aforementioned Christian unions. In the United States, trade unions are almost always aligned with the Democratic Party with a few exceptions. For example, the International Brotherhood of Teamsters has supported Republican Party candidates on a number of occasions and the Professional Air Traffic Controllers Organization ( PATCO ) endorsed Ronald Reagan in 1980. In Britain trade union movement 's relationship with the Labour Party frayed as party leadership embarked on privatization plans at odds with what unions see as the worker 's interests. However, it has strengthened once more after the Labour party 's election of Ed Miliband, who beat his brother David Miliband to become leader of the party after Ed secured the trade union votes. Additionally, in the past, there was a group known as the Conservative Trade Unionists, or CTU, formed of people who sympathized with right wing Tory policy but were Trade Unionists. Historically, the Republic of Korea has regulated collective bargaining by requiring employers to participate, but collective bargaining has only been legal if held in sessions before the lunar new year. International unionization The largest trade union federation in the world is the Brussels - based International Trade Union Confederation ( ITUC ), which has approximately 309 affiliated organizations in 156 countries and territories, with a combined membership of 166 million. The ITUC is a federation of national trade union centres, such as the AFL - CIO in the United States and the Trades Union Congress in the United Kingdom. Other global trade union organizations include the World Federation of Trade Unions. National and regional trade unions organizing in specific industry sectors or occupational groups also form global union federations, such as Union Network International, the International Transport Workers Federation, the International Federation of Journalists, the International Arts and Entertainment Alliance or Public Services International. Criticisms Main article : Opposition to trade unions Trade unions have been accused of benefiting insider workers, those having secure jobs, at the cost of outsider workers, consumers of the goods or services produced and the shareholders of the unionized business. In the United States, the outsourcing of labour to Asia, Latin America, and Africa has been partially driven by increasing costs of union partnership, which gives other countries a comparative advantage in labour, making it more profitable to purchase disorganized, low - wage labour from these regions. Milton Friedman, economist and advocate of laissez - faire capitalism, sought to show that unionization produces higher wages ( for the union members ) at the expense of fewer jobs, and that, if some industries are unionized while others are not, wages will tend to decline in non-unionized industries. On the other hand, several studies have emphasized so - called revitalization strategies where trade unions attempt to better represent labour market outsiders, such as the unemployed and precarious workers. Thus, for instance, trade unions in both Nordic and southern European countries have devised collective bargaining agreements that improved the conditions of temporary agency workers. Union Publications Several sources of current news exist about the trade union movement in the world. These include LabourStart and the official website of the international trade union movement Global Unions. A source of international news about unions is RadioLabour which provides daily ( Monday to Friday ) news reports. Labor Notes is the largest circulation cross-union publication remaining in the United States. It reports news and analysis about union activity or problems facing the labour movement. Another source of union news is the Workers Independent News, a news organization providing radio articles to independent and syndicated radio shows in the United States. Film The 2010 British film Made in Dagenham, starring Sally Hawkins, dramatizes the Ford sewing machinists strike of 1968 that aimed for equal pay for women. Trade unions were often portrayed in the scripts of Jim Allen. Examples include The Big Flame, The Rank and File and Days of Hope. These films all depict union leaders as untrustworthy and prone to betraying the striking workers. The British National Union of Mineworkers has been portrayed in numerous films such as Brassed Off, Billy Elliot and Pride. Bastard Boys, a 2007 dramatization of the 1998 Australian waterfront dispute. The 2000 film Bread and Roses deals with the struggle of poorly paid janitorial workers in Los Angeles and their fight for better working conditions and the right to unionize. Hoffa, a 1992 American biographical film directed by Danny DeVito and based on the life of Teamsters Union leader Jimmy Hoffa. Matewan is a 1987 American drama film written and directed by John Sayles that dramatizes the events of the Battle of Matewan, a coal miners ' strike in 1920 in Matewan, a small town in the hills of West Virginia. Haskell Wexler was nominated for the Academy Award for Best Cinematography. The 1985 documentary film Final Offer by Sturla Gunnarsson and Robert Collision shows the 1984 union contract negotiations with General Motors. The 1979 film Norma Rae, directed by Martin Ritt and starring Sally Field, is based on the true story of Crystal Lee Jordan 's successful attempt to unionize her textile factory. The 1978 film F.I.S.T., directed by Norman Jewison and starring Sylvester Stallone, is loosely based on the Teamsters Union and their former President Jimmy Hoffa. The 1959 film I 'm All Right Jack, a comedy with Peter Sellers playing the shop steward Fred Kite. The 1954 film On the Waterfront, directed by Elia Kazan, concerns union violence among longshoremen. Other documentaries : Made in L.A. ( 2007 ) ; American Standoff ( 2002 ) ; The Fight in the Fields ( 1997 ) ; With Babies and Banners : Story of the Women 's Emergency Brigade ( 1979 ) ; Harlan County, USA ( 1976 ) ; The Inheritance ( 1964 ) Other dramatizations : 10,000 Black Men Named George ( 2002 ) ; Matewan ( 1987 ) ; American Playhouse -- `` The Killing Floor '' ( 1985 ) ; Salt of the Earth ( 1954 ) ; The Grapes of Wrath ( 1940 ) ; Black Fury ( 1935 ) ; Metello ( 1970 ). See also Organized labour portal Labor federation competition in the United States Labor Management Reporting and Disclosure Act List of trade unions New Unionism Salt ( union organizing ) Textile and clothing trade unions Union busting Notes and references Jump up ^ Frost, Daniel ( 1 April 1967 ). `` Labor 's Antitrust Exemption ''. California Law Review. Archived from the original on 2017 - 12 - 16. Retrieved 2017 - 12 - 15.... the United States Supreme Court again undertook the delicate task of defining the antitrust exemption granted labor unions by section six of the Clayton Act. ^ Jump up to : Webb, Sidney ; Webb, Beatrice ( 1920 ). History of Trade Unionism. Longmans and Co. London. ch. I ^ Jump up to : Poole, M., 1986. Industrial Relations : Origins and Patterns of National Diversity. London UK : Routledge. Jump up ^ ( 1 ) OECD. Retrieved : 1 December 2017. Jump up ^ `` Trade Union Census ''. Australian Bureau of Statistics. Retrieved 27 July 2011. Jump up ^ ( 1928 ). The Guild and the Trade Union. The Age. Jump up ^ Kautsky, Karl ( April 1901 ). `` Trades Unions and Socialism ''. International Socialist Review. 1 ( 10 ). Retrieved 27 July 2011. Jump up ^ G.D.H. Cole ( 2010 ). Attempts at General Union. Taylor & Francis. p. 3. Jump up ^ Principles of Political Economy ( 1871 ) Book V, Ch. 10, para. 5 Jump up ^ `` Trade union ''. Encyclopædia Britannica. Jump up ^ Bernstein, Aaron ( 23 May 1994 ). `` Why America Needs Unions But Not the Kind It Has Now ''. BusinessWeek. Archived from the original on 26 April 2005. CS1 maint : BOT : original - url status unknown ( link ) Jump up ^ Johnson, S., 2004. An empirical examination of union density in six countries : Canada, Ecuador, Mexico, Nicaragua, the United States and Venezuela. Washington, DC, US : Inter-American Development Bank, Research Network Working Paper £ R - 487, p. 5, available at : `` Archived copy '' ( PDF ). Archived from the original ( PDF ) on 24 July 2015. Retrieved 2015 - 04 - 05... Jump up ^ Johnson, S., 2004. `` An empirical examination of union density in six countries : Canada, Ecuador, Mexico, Nicaragua, the United States and Venezuela. '' Washington, DC, US : Inter-American Development Bank, Research Network Working Paper £ R - 487, available at : `` Archived copy '' ( PDF ). Archived from the original ( PDF ) on 24 July 2015. Retrieved 2015 - 04 - 05... Jump up ^ Hall - Jones, P., 2010. Unionism and Economic Performance. Internet article & statistics. Available at : http://www.newunionism.net/library/member%20contributions/news/Unionism%20and%20Economic%20Performance.htm Archived 6 January 2012 at the Wayback Machine. Jump up ^ OECD, 2010. Statistics on Trade Union Density. Paris, France : OECD. stat Extracts Web ¬ site ( online ). Available at : http://stats.oecd.org/Index.aspx?DataSetCode=TUD. Jump up ^ History of the ACTU. Archived 21 November 2008 at the Wayback Machine. Australian Council of Trade Unions. ^ Jump up to : Markey, Raymond ( 1 January 1996 ). `` Race and organized labor in Australia, 1850 -- 1901 ''. Highbeam Research. Retrieved 14 June 2006. ^ Jump up to : Griffiths, Phil ( 4 July 2002 ). `` Towards White Australia : The shadow of Mill and the spectre of slavery in the 1880s debates on Chinese immigration '' ( RTF ). 11th Biennial National Conference of the Australian Historical Association. Retrieved 14 June 2006. Jump up ^ `` Aantal leden christelijke vakbond neemt jaar na jaar toe ''. Retrieved 16 January 2018. Jump up ^ `` 130 jaar ACV - geschiedenis ''. Retrieved 16 January 2018. Jump up ^ `` Hoeveel leden telt het ABVV ? - Vlaams ABVV - Socialistische vakbond in Vlaanderen - Algemeen Belgisch Vakverbond ABVV ''. www.vlaamsabvv.be. Retrieved 16 January 2018. Jump up ^ `` Structuur en kerncijfers van de ACLVB ''. 12 October 2015. Retrieved 16 January 2018. Jump up ^ `` Geschiedenis van de ACLVB ''. 12 October 2015. Retrieved 16 January 2018. Jump up ^ `` Archived copy ''. Archived from the original on 27 July 2013. Retrieved 2013 - 07 - 15. Retrieved 14 July 2013. Jump up ^ American Center for International Labor Solidarity ( 2006 ), Justice For All : The Struggle for Worker Rights in Colombia Archived 17 July 2010 at the Wayback Machine., p11 Jump up ^ An ILO mission in 2000 reported that `` the number of assassinations, abductions, death threats and other violent assaults on trade union leaders and unionized workers in Colombia is without historical precedent ''. According to the Colombian Government, during the period 1991 -- 99 there were 593 assassinations of trade union leaders and unionized workers while the National Trade Union School holds that 1 336 union members were assassinated. '' -- ILO, 16 June 2000, Special ILO Representative for cooperation with Colombia to be appointed by Director - General Jump up ^ `` By the 1990s, Colombia had become the most dangerous country in the world for unionists '' -- Chomsky, Aviva ( 2008 ), Linked labor histories : New England, Colombia, and the making of a global working class, Duke University Press, p11 Jump up ^ `` Colombia has the world 's worst record on these assassinations... '' -- 20 November 2008, Colombia : Not Time for a Trade Deal ^ Jump up to : International Trade Union Confederation, 11 June 2010, ITUC responds to the press release issued by the Colombian Interior Ministry concerning its survey Jump up ^ International Trade Union Confederation ( 2010 ), Annual Survey of violations of trade union rights : Colombia ^ Jump up to : `` Historia del Sindicalismo ''. SITRAPEQUIA website ( in Spanish ). San José : Sindicato de Trabajadores ( as ) Petroléros Químicos y Afines. 2014. Archived from the original on 5 May 2014. Retrieved 4 May 2014. Jump up ^ Herrera, Manuel ( 30 April 2014 ). `` Sindicatos alzarán la voz contra modelo neoliberal en celebraciones del 1 ° de mayo ''. La Nacion ( in Spanish ). San Jose. Retrieved 7 May 2014. Jump up ^ Conradt, David. `` Social Democratic Party of Germany ''. ENCYCLOPÆDIA BRITANNICA. 2017 Encyclopædia Britannica, Inc. Jump up ^ Fulton, L. ( 2015 ). `` Trade Unions. Worker Participation. SEEurope Network ''. Worker-Participation.eu. SEEurope Network. Retrieved 2017 - 11 - 15. Jump up ^ ( 2 ) Archived 3 October 2011 at the Wayback Machine. Jump up ^ Sengupta, Meghna. `` Trade Unions in India ''. Pocket Lawyer. Retrieved 2017 - 11 - 15. Jump up ^ Datta, Rekah. `` From Development to Empowerment : The Self - Employed Women 's Association in India ''. International Journal of Politics, Culture, and Society. Jump up ^ Chand, Smriti. `` 6 Major Central Trade Unions of India ''. Your Article Library. 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Retrieved 12 June 2011 ^ Jump up to : Dan La Botz U.S. - supported Economics Spurred Mexican Emigration, pt. 1, interview at The Real News, 1 May 2010. Jump up ^ Juan Montes ; José de Córdoba ( 21 December 2012 ). `` Mexico Takes On Teachers Over School Control ''. Wall Street Journal. Jump up ^ Anders Bruhn, Anders Kjellberg and Åke Sandberg ( 2013 ) `` A New World of Work Challenging Swedish Unions '' in Åke Sandberg ( ed. ) Nordic Lights. Work, Management and Welfare in Scandinavia. Stockholm : SNS ( pp. 155 - 160 ) Jump up ^ `` Trade Union Density '' OECD StatExtracts. 2010. Accessed : 28 April 2013. Jump up ^ Anders Kjellberg Kollektivavtalens täckningsgrad samt organisationsgraden hos arbetsgivarförbund och fackförbund ( Appendix 3 in English ), Department of Sociology, Lund University. Studies in Social Policy, Industrial Relations, Working Life and Mobility. Research Reports 2018 : 1 Jump up ^ Anders Kjellberg ( 2011 ) `` The Decline in Swedish Union Density since 2007 '' Nordic Journal of Working Life Studies ( NJWLS ) Vol. 1. No 1 ( August 2011 ), pp. 67 - 93 Jump up ^ Anders Kjellberg `` The Decline in Swedish Union Density since 2007 '' Nordic Journal of Working Life Studies ( NJWLS ) Vol. 1. No 1 ( August 2011 ), pp. 67 -- 93 Jump up ^ Schifferes, Steve ( 8 March 2004 ). `` The trade unions ' long decline ''. BBC News. Retrieved 16 January 2014. Jump up ^ `` United Kingdom : Industrial relations profile ''. EUROPA. 15 April 2013. Archived from the original on 3 December 2013. Retrieved 16 January 2014. Jump up ^ Kazin, Michael ( 1995 ). The Populist Persuasion. BasicBooks. p. 154. access - date = requires url = ( help ) Jump up ^ Trade Union Density OECD. StatExtracts. Retrieved : 17 November 2011. Jump up ^ Union Members Summary Bureau of Labor Statistics, 27 January 2012 Retrieved : 26 February 2012 Jump up ^ `` Not With a Bang, But a Whimper : The Long, Slow Death Spiral of America 's Labor Movement ''. Retrieved 16 January 2018. Jump up ^ 8 - 31 - 2004 Union Membership Trends in the United States Gerald Mayer. Congressional Research Service. 31 Aug 2004 Jump up ^ Doree Armstrong ( 12 February 2014 ). Jake Rosenfeld explores the sharp decline of union membership, influence. UW Today. Retrieved 6 March 2015. See also : Jake Rosenfeld ( 2014 ) What Unions No Longer Do. Harvard University Press. ISBN 0674725115 Jump up ^ Keith Naughton, Lynn Doan and Jeffrey Green ( 20 February 2015 ). As the Rich Get Richer, Unions Are Poised for Comeback. Bloomberg. Retrieved 6 March 2015. `` A 2011 study drew a link between the decline in union membership since 1973 and expanding wage disparity. Those trends have since continued, said Bruce Western, a professor of sociology at Harvard University who co-authored the study. '' Jump up ^ Stiglitz, Joseph E. ( 4 June 2012 ). The Price of Inequality : How Today 's Divided Society Endangers Our Future ( Kindle Locations 1148 - 1149 ). Norton. Kindle Edition. Jump up ^ Barry T. Hirsch, David A. Macpherson, and Wayne G. Vroman, `` Estimates of Union Density by State, '' Monthly Labor Review, Vol. 124, No. 7, July 2001. Jump up ^ `` The 10 Biggest Strikes in American History Archived 2 December 2013 at the Wayback Machine. ''. Fox Business. 9 August 2011 Jump up ^ Amnesty International report 23 September 2005 -- fear for safety of SINALTRAINAL member José Onofre Esquivel Luna Jump up ^ See the website of the Danish discount union `` Det faglige Hus '' at http://www.detfagligehus.dk/ ( website in Danish ) Jump up ^ Poland, Professor Jacek Tittenbrun of Poznan University,. `` The economic and social processes that led to the revolt of the Polish workers in the early eighties ''. www.marxist.com. Retrieved 16 January 2018. Jump up ^ Solidarność popiera Kaczyńskiego jak kiedyś Wałęsę at news.money.pl ( in Polish ) Jump up ^ See E McGaughey, ' Democracy or Oligarchy ? Models of Union Governance in the UK, Germany and US ' ( 2017 ) ssrn.com Jump up ^ `` Australian Centre for Industrial Relations Research and Training report '' ( PDF ). Acirrt.com. Archived from the original ( PDF ) on 22 July 2011. Retrieved 2011 - 07 - 27. Jump up ^ Eurofound website `` FREEDOM OF ASSOCIATION / TRADE UNION FREEDOM '', `` Archived copy ''. Archived from the original on 17 April 2011. Retrieved 2012 - 03 - 03. Jump up ^ Eurofound, http://www.eurofound.europa.eu/eiro/2006/01/feature/dk0601104f.htm Jump up ^ Bamberg, Ulrich ( June 2004 ). `` The role of German trade unions in the national and European standardisation process '' ( PDF ). TUTB Newsletter. 24 -- 25. Archived from the original ( PDF ) on 26 July 2011. Retrieved 27 July 2011. Jump up ^ Gold, M., 1993. The Social Dimension -- Employment Policy in the European Community. Basingstroke England UK : Macmillan Publishing Jump up ^ Hall, M., 1994. Industrial Relations and the Social Dimension of European Integration : Before and after Maastricht, pp. 281 -- 331 in Hyman, R. & Ferner A., eds. : New Frontiers in European Industrial Relations, Basil Blackwell Publishing Jump up ^ Wagtmann, M.A. ( 2010 ) : Module 3, Maritime & Port Wages, Benefits, Labour Relations. International Maritime Human Resource Management textbook modules. Available at : https://skydrive.live.com/?cid=f90c069a3e6bb729&id=F90C069A3E6BB729%21107#cid=F90C069A3E6BB729&id=F90C069A3E6BB729%21182 Jump up ^ Kramarz, Francis ( 19 October 2006 ). `` Outsourcing, Unions, and Wages : Evidence from data matching imports, firms, and workers '' ( PDF ). Retrieved 2007 - 01 - 22. Jump up ^ Friedman, Milton ( 2007 ). Price theory ( ( New ed. ), 3rd printing ed. ). New Brunswick, NJ : Transaction Publishers. ISBN 978 - 0 - 202 - 30969 - 9. Jump up ^ Vlandas, Timothee ; Benassi, Chiara ( 2016 ). Union inclusiveness and temporary agency workers. European Journal of Industrial Relations. Further reading Britain Aldcroft, D.H. and Oliver, M.J., eds. Trade Unions and the Economy, 1870 -- 2000. ( 2000 ). Campbell, A., Fishman, N., and McIlroy, J. eds. British Trade Unions and Industrial Politics : The Post-War Compromise 1945 -- 64 ( 1999 ). Clegg, H.A. et al. A History of British Trade Unions Since 1889 ( 1964 ) ; A History of British Trade Unions Since 1889 : vol. 2 1911 - 1933. ( 1985 ) ; A History of British Trade Unionism Since 1889, vol. 3 : 1934 -- 51 ( 1994 ), The major scholarly history ; highly detailed. Davies, A.J. To Build a New Jerusalem : Labour Movement from the 1890s to the 1990s ( 1996 ). Laybourn, Keith. A history of British trade unionism c. 1770 - 1990 ( 1992 ). Minkin, Lewis. The Contentious Alliance : Trade Unions and the Labour Party ( 1991 ) 708 pp online Pelling, Henry. A history of British trade unionism ( 1987 ). Wrigley, Chris, ed. British Trade Unions, 1945 - 1995 ( Manchester University Press, 1997 ) Zeitlin, Jonathan. `` From labour history to the history of industrial relations. '' Economic History Review 40.2 ( 1987 ) : 159 - 184. Historiography Directory of Employer 's Associations, Trade unions, Joint Organisations United States Arnesen, Eric, ed. Encyclopedia of U.S. Labor and Working - Class History ( 2006 ), 3 vol ; 2064pp ; 650 articles by experts excerpt and text search Beik, Millie, ed. Labor Relations : Major Issues in American History ( 2005 ) over 100 annotated primary documents excerpt and text search Boris, Eileen, and Nelson Lichtenstein, eds. Major Problems In The History Of American Workers : Documents and Essays ( 2002 ) Brody, David. In Labor 's Cause : Main Themes on the History of the American Worker ( 1993 ) excerpt and text search Dubofsky, Melvyn, and Foster Rhea Dulles. Labor in America : A History ( 2004 ), textbook, based on earlier textbooks by Dulles. Taylor, Paul F. The ABC - CLIO Companion to the American Labor Movement ( 1993 ) 237pp ; short encyclopedia Zieger, Robert H., and Gilbert J. Gall, American Workers, American Unions : The Twentieth Century ( 3rd ed. 2002 ) excerpt and text search Other Berghahn, Volker R., and Detlev Karsten. Industrial Relations in West Germany ( Bloomsbury Academic, 1988 ). European Commission, Directorate General for Employment, Social Affairs & Inclusion : Industrial Relations in Europe 2010. Gumbrell - McCormick, Rebecca, and Richard Hyman. Trade unions in western Europe : Hard times, hard choices ( Oxford UP, 2013 ). Hodder, A. and L. Kretsos, eds. Young Workers and Trade Unions : A Global View ( Palgrave - Macmillan, 2015 ). review Kester, Gérard. Trade unions and workplace democracy in Africa ( Routledge, 2016 ). Kjellberg, Anders. `` The Decline in Swedish Union Density since 2007 '', Nordic Journal of Working Life Studies ( NJWLS ) Vol. 1. No 1 ( August 2011 ), pp. 67 -- 93. Kjellberg, Anders ( 2017 ) The Membership Development of Swedish Trade Unions and Union Confederations Since the End of the Nineteenth Century ( Studies in Social Policy, Industrial Relations, Working Life and Mobility ). Research Reports 2017 : 2. Lund : Department of Sociology, Lund University. Lipton, Charles ( 1967 ). The Trade Union Movement of Canada : 1827 -- 1959. ( 3rd ed. Toronto, Ont. : New Canada Publications, 1973 ). Markovits, Andrei. The Politics of West German Trade Unions : Strategies of Class and Interest Representation in Growth and Crisis ( Routledge, 2016 ). McGaughey, Ewan, ' Democracy or Oligarchy ? Models of Union Governance in the UK, Germany and US ' ( 2017 ) ssrn.com Misner, Paul. Catholic Labor Movements in Europe. Social Thought and Action, 1914 - 1965 ( 2015 ). online review Mommsen, Wolfgang J., and Hans - Gerhard Husung, eds. The development of trade unionism in Great Britain and Germany, 1880 - 1914 ( Taylor & Francis, 1985 ). Orr, Charles A. `` Trade Unionism in Colonial Africa '' Journal of Modern African Studies, 4 ( 1966 ), pp. 65 -- 81 Panitch, Leo & Swartz, Donald ( 2003 ). From consent to coercion : The assault on trade union freedoms, third edition. Ontario : Garamound Press. Ribeiro, Ana Teresa. `` Recent Trends in Collective Bargaining in Europe. '' E-Journal of International and Comparative Labour Studies 5.1 ( 2016 ). online Taylor, Andrew. Trade Unions and Politics : A Comparative Introduction ( Macmillan, 1989 ). Upchurch, Martin, and Graham Taylor. The Crisis of Social Democratic Trade Unionism in Western Europe : The Search for Alternatives ( Routledge, 2016 ). Visser, Jelle. `` Union membership statistics in 24 countries. '' Monthly Labor Review. 129 ( 2006 ) : 38 + online Visser, Jelle. `` ICTWSS : Database on institutional characteristics of trade unions, wage setting, state intervention and social pacts in 34 countries between 1960 and 2007. '' Institute for Advanced Labour Studies, AIAS, University of Amsterdam, Amsterdam ( 2011 ). online External links Wikimedia Commons has media related to Trade union. Wikiquote has quotations related to : Trade union Wikisource has the text of the 1911 Encyclopædia Britannica article Trade Unions. 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Question: what are the main objectives of labor unions
Answer: protecting the integrity of its trade