But others say the impact of unskilled immigrants has been substantial.
Too many unskilled immigrants let in to live off the taxpayers.
Since 1991, only 10,000 unskilled immigrants a year have been allowed green cards.
By the 1870s, thousands of unskilled Jewish immigrants were garment workers in sweatshops.
The sisters said they stayed at the bakery because the pay - averaging $12 an hour - was good for unskilled immigrants.
Indeed, it implies that in one place or another, more unskilled immigrants mean lower wages and fewer low-end jobs for those already here.
Its 1.8 square miles are crowded with unskilled new immigrants looking for jobs in an area where most factories have long since shut down.
Hong Kong needs to control rising costs and create jobs quickly for a large number of unskilled immigrants.
Many unskilled immigrants work in restaurants and home-care jobs, helping people who are elderly or disabled.
At issue is whether America can still assimilate poor and unskilled immigrants and make them a source of economic vitality.