Naturalization is the legal process by which a non-national of a country becomes a citizen after birth. In the United States, over 800,000 people became naturalized citizens in 2024, according to U.S.
Foreign nationals who submit Form N-400, Application for Naturalization, on or after October 20, 2025, will have to take 2025 Naturalization Civics Test. (The New York Times) The US Citizenship and ...