Original sentence: Allegations of heightened levels of immigrant criminality are often used in promoting nativist opposition to immigration, even in countries with lower levels of immigrant criminality.And the indigenous Aborigines have one of the highest crime rates in the world.But in other regions, such as Australia, immigrants are underrepresented in crime statistics.Crime and victim rates often vary between immigrants and non-immigrants within a given country.However, unlike most immigrants, Vietnamese, Cambodian, Lebanese, Turkish, New Zealand, Pacific islander, and Sudanese immigrants have significantly higher crime rates than those born in Australia.Immigrants to Australia overall have a lower crime rate than those born in Australia.In some regions, such as Europe, immigrants are heavily overrepresented in crime statistics.In the case of New Zealand, it is theorised that Maoris in particular are responsible for the higher crime rate
Edited sentence: Allegations of heightened levels of immigrant criminality can serve as item in nativist opposition to immigration.Immigrant criminality (foreigner criminality, foreigner delinquency) refers to delinquency perpetrated by non-naturalized residents of foreign origin within a given country.Meaningful comparisons can only be made by controlling for factors such as socio-economic group, not by directly comparing rates amongst immigrants with the native population as a whole.There are many difficulties in comparing crime rates among foreigners with rates among non-foreigners