Immigration

Immigration is the act of moving from one's home country to another nation with the intention of settling there permanently. Immigrants may or may not become citizens of their new countries of residence. In the United States, immigrants may become naturalized citizens or remain legally as permanent or conditional residents. People in the country without permission are considered undocumented immigrants. Tourists, foreign students, and others who visit or reside in a country temporarily are not considered immigrants.

In 2019 the United Nations (UN) Department of Economic and Social Affairs (DESA) reported a worldwide total of 272 million people living in countries other than the ones in which they originally held citizenship. According to DESA's International Migrant Stock 2019 report, 51...