What are the requirements for naturalization?
You may apply for naturalization if: (1) you have been a lawful permanent resident for five years, (2) you have been a lawful permanent resident for three years, have been married to a US citizen for those three years, and continue to be married to that U.S. citizen, (3) you are a lawful permanent resident child of United States citizen parents, or (4) you have qualifying military service. Children under 18 may automatically become citizens when their parents naturalize.