Illegal immigration to the United States refers to the act of foreign nationals voluntarily residing in the United States in violation of U.S. immigration and nationality law.

This is the case in the United States, where illegal immigrants traditionally have entered the country in search of wages higher than those achievable in their home countries.

Between 12 and 20 million illegal immigrants live in the United States, the exact number is unknown. The vast majority of the illegal immigrants are from Mexico. Border Patrol is ...

At least 30 states have passed laws or taken other steps this year to crack down on illegal immigrants, often making it harder for undocumented workers to find jobs or receive ...

States that have been issuing driver's licenses to illegal immigrants are making U-turns. In four of the five remaining states that allow illegal immigrants to drive Hawaii, Maine ...