Persons Naturalized by Country of Birth & CBSA of Residence

This database reports the number of persons naturalized by country of birth and Core-Based Statistical Area (CBSA) of intended residence by fiscal year. Naturalization is the process by which U.S. citizenship is conferred upon foreign citizens or nationals after fulfilling the requirements established by Congress in the Immigration and Nationality Act (INA).  Note that Congo, Democratic Republic and Congo, Republic are distinct and separate countries.  Also, South Korea data prior to Fiscal Year 2009 include a small number of cases from North Korea.