From 2006 to 2009, which two regions have provided the largest number of united states immigrants? explain what it means for an immigrant to have a green card.

From 2006 to 2009, the two regions that have provided the largest number of United States immigrants were Latin America and Asia.

In this period, 27% of US residents born abroad were from Mexico. 17% came from other Latin American countries, including El Salvador and Cuba.

Almost one in three immigrants in that period were from some Asian country. The highest proportion was from India and China (6.5% and 4.7% respectively).

The Permanent Resident Card, popularly known as the Green Card, is an identity document for permanent residents in the United States who do not have American citizenship. The holders of this card have the right to reside and work in the country. However, they must maintain the status of resident in the United States although it can be withdrawn if it is proven that they have committed certain crimes.

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