Illegal immigrants are individuals who enter or reside in a country without proper authorization or documentation from the government, violating immigration laws.
Related terms
Border Patrol: The agency responsible for securing the borders of the United States and preventing illegal entry.
Green card: Officially known as a Permanent Resident Card, it grants non-U.S. citizens lawful permanent residency status in the United States.
Sanctuary cities: Cities or jurisdictions that limit their cooperation with federal immigration authorities in order to protect and support undocumented immigrants.