An alien is an individual who is not a citizen of the country in which they reside. The term can be further classified into categories such as illegal alien and resident alien.
Brain drain refers to the migration of highly skilled and educated individuals from one country to another, often in search of better career prospects, living conditions, or educational opportunities.
A citizen is a legally recognized subject or national of a state or commonwealth, either native or naturalized. In the context of the United States, a U.S. citizen is an individual who has met specific requirements laid out by the Immigration and Nationality Act (INA).
A registration card carried by immigrants with permanent residence status, serving as an intermediate step toward becoming a naturalized U.S. citizen.
An illegal alien, often referred to as an illegal immigrant, is a non-citizen who has not been granted permission by immigration authorities to reside in the country in which they are currently living.
A passport is an official document issued by a country to its citizens, permitting international travel and serving as identification.
A U.S. citizen is any person born or naturalized in the United States and subject to its jurisdiction. This status affords certain rights, privileges, and responsibilities under U.S. law.
The term 'undocumented' can refer to workers without immigration documents or products/features not described in official documentation.
A work permit is a provisional status provided by the government to foreign individuals, allowing them to work legally in the host country for a specified period.
