And meanwhile, far from shrinking, the demand for low-skilled labor is growing over time.

CNN: Key to immigration reform: Worker visas

These are not trivial amounts for workers in low-wage industries like food service, retail, and low-skilled labor.

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If they do, some businesses fear a labor crisis, says Laura Reiff, cochair of the Essential Worker Immigration Coalition, whose members depend on low-skilled labor.

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If the migrant workers needed by the American economy were allowed to enter legally through an orderly process of increased quotas--for temporary and permanent migration--practically all of the negative aspects associated with the immigration of low-skilled labor would cease.

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While many details are left open, the joint statement was significant in that it put the AFL-CIO on record as favoring a program to admit future low-skilled workers, something labor had opposed in the past.

WSJ: Business, Labor Groups Find Little Accord on Immigration

Burr said his group opposes such an exclusion because, even though unemployment in the construction industry is high right now, at times when it is low there can be labor shortages in high-skilled trades and contractors want to be able to bring in foreign workers.

NPR: Business, Labor Close On Deal For Immigration Bill

In 1960, half of the native-born men in the labor force were high school dropouts happy to do physically demanding, low-skilled work.

CNN: Key to immigration reform: Worker visas

Additionally , unlike native low-skilled workers, low-skilled immigrants are likely to arrive with skills and abilities that are complimentary rather than competitive with the existing labor force, and they are much more mobile too.

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