Jurisdiction: United States United States

An alien in the United States or at a port of entry who is unable or unwilling to return to his or her country of nationality, or to seek the protection of that country because of persecution or a well-founded fear of persecution. Persecution or the fear thereof must be based on religion, nationality, membership in a particular social group or political opinion.

Source: USCIS Glossary, U.S. Citizenship and Immigration Services