Question: Runa Banerjee is the co-founder of a trade union with over how many women participating?
Context: Runa Banerjee is an Indian social worker and the co-founder of the Self Employed Women's Association (SEWA), Lucknow, a non governmental organization promoting the interests of the poor working women of the Indian state of Uttar Pradesh, where she serves as the General Secretary and the Chief executive officer.  She was one among the PeaceWomen Across the Globe who were collectively nominated for the Nobel Peace Prize in 2005, which was eventually won by Mohamed ElBaradei.  The Government of India awarded her the fourth highest civilian honour of the Padma Shri, in 2007, for her contributions to Indian society. The Palestinian General Federation of Trade Unions (PGFTU), also called the Palestine General Federation of Trade Unions or Palestinian Trade Union Federation (and, briefly, General Trade Union Federation in Palestine), is a national trade union center in the Palestinian Territories.  It has an estimated membership of 290,000, and is affiliated with the International Trade Union Confederation.  The union in its current form is historically aligned with Fatah, but other parties have also worked within its organization. Unia is a trade union in Switzerland.  It is the largest member of the Swiss Trade Union Confederation (SGB or USS) with 200,000 members.  In addition its collective agreements affect the conditions of a million Swiss workers.  It was formed on 16 October 2004 from the merger of the Trade union for Construction and Industry (GBI), the Trade Union for Industry, Trade and Services (SMUV), the VHTL, the old (working in the service sector) "unia" and the Geneva trade union in the tertiary sector. The Fiji Trades Union Congress (FTUC) is a trade union organisation in Fiji that was founded in 1952 under the leadership of Pandit Ami Chandra as the Fiji Industrial Workers Congress (FIWC).  As the FIWC the organisation was the third federation in Oceania, after the Australian Council of Trade Unions and the New Zealand Council of Trade Unions, to join the International Confederation of Free Trade Unions.  In 1975 the FTUC's membership was 25,000.  The FTUC is affiliated to the International Trade Union Confederation.  It has a close relationship with the Fiji Labour Party.  The FTUC has 30 trade union affiliates, covering the public and private sectors.  Major affiliates include: the Fiji Public Service Association, the Fiji Teachers Union, the Fiji Sugar & General Workers Union, the National Union of Hospitality, Catering & Tourism Industries Employees and the National Union of Factory and Commercial Workers Union. Self-Employed Women's Association (SEWA), meaning "service" in several Indian languages, is a trade union based in Ahmedabad, India that promotes the rights of low-income, independently-employed female workers.  With over 2 million participating women, SEWA is the largest organization of informal workers in the world and largest non-profit in India (Chen et.  al. 2015).  Self-employed women are defined as those who do not receive a salary like that of formally-employed workers and therefore have a more precarious income and life.  SEWA is framed around the goal of full employment in which a women secures for her family: income, food, health care, child care, and shelter.  The principles behind accomplishing these goals are struggle and development, meaning negotiating with stakeholders and providing services, respectively. In 1957 the National Union of Government Employees (NUGE), a former trade union in Trinidad and Tobago, was formed as a result of a merger between the Industrial and Railway Employees Trade Union, the Government Farm and Nursery Workers Trade Union and the Works and Hydraulics Industrial Workers Union.  Later that same year, the Communication Services and General Workers Trade Union transferred its daily paid members to the NUGE and were followed in 1959 by the Public Works and Public Service Workers Trade Union. Nepal Progressive Trade Union Federation is a central trade union federation in Nepal.  It is the labour wing of the Communist Party of Nepal (United Marxist).  NPTUF was formed on November 19, 2005, through the unification of the Nepal Trade Union Federation (trade union of Communist Party of Nepal (United)) and Nepal Trade Union Centre (trade union of Communist Party of Nepal (Marxist)).  NPTUF is a constituent of the United Trade Union Movement Coordination Committee. Néstor Guzman Villarroel (born February 26, 1964 in Chaguarmayu) is a Bolivian politician and trade unionist.  A tailor and farmer by profession, he became the press and propaganda secretary of the trade union in Chaguarmayu in 1984, then becoming the relations secretary of the Chaguarmayu trade union the following year.  Between 1986 and 1988 he was the general secretary of the Panamá trade union sub-centre, then becoming the general secretary of the Aiquile-Campero Provincial Trade Union Centre.  Between 1995 and 1997 he was secretary of tracts of the Federación Unica de Trabajadores Campesinos de Cochabamba (FUTCCBA). The Vereinte Dienstleistungsgewerkschaft (German United Services Trade Union), which is known as Verdi for short and writes its name as "ver.di", pronounced [ˈvɛʁdiː], is a German trade union based in Berlin, Germany.  It was established in the year 2001 as the result of a merger of five individual unions and is a member of the German Trade Union Confederation (DGB).  With around two million members, Verdi is the second largest German trade union after IG Metall.  It currently employs around 3000 members of staff in Germany and has an annual income of approximately 454 million Euros obtained from membership subscriptions.  The trade union is divided into 10 federal state districts and 13 divisions and is managed by a National Executive Board (Bundesvorstand) with 14 members.  Frank Bsirske has been the Chairman of Verdi ever since it was first founded. The Confédération syndicale belge ("Belgian Trade Union Confederation") was an Anarcho-syndicalist trade union movement in Belgium.  The organization was founded in Liège on 19 April 1908.  "Confédération syndicale belge" was the last of the various anarcho-syndicalist union movements formed in Belgium in the years prior to the First World War.  The organization had around 10,000 members from Antwerp, Kortrijk, Brussels, Verviers, the Centre region and Liège.  It was formed by the small revolutionary "Confédération générale du travail" (founded on 28 January 1906 in Brussels), the Antwerp diamond workers union (3,000 members), the glass workers union ("Union Verrière") of Lodelinsart and others in reaction to the creation of the "Commission syndicale", a trade-union confederation directly linked to, and under the orders of the Belgian Labour Party.  In January 1910, the diamond workers union finally joined the "Commission syndicale" after a mediation by Camille Huysmans and , general secretary of the diamond general trade union of Amsterdam, the "".  This ended the history of the "Confédération syndicale belge", the last attempt to create a trade union independent from the Belgian Labour Party.
Answer: 2 million