18 years old
Minimum Age You must be at least 18 years old to apply for naturalization — unless you’re applying based on any period of wartime military service, in which case you may be any age. Our guide to becoming a naturalized citizen has more details about eligibility and exemptions.

How can I become a US citizen at 65?

The Immigration and Nationality Act provides special consideration for applicants who, at the time of filing their Form N-400, Application for Naturalization, are aged 65 years old or older, and who have been living in the United States as a lawful permanent resident for at least 20 years.

Can I apply for US citizenship after 3 years of green card?

Who Qualifies For Citizenship? All green card holders, as long as they meet key conditions, can apply for U.S. citizenship after five years (known as the “five-year rule”) — but those with a U.S. spouse and a green card through marriage can apply after only three years (known as the “three-year rule”).

How old do you have to be to get a green card?

There is no age limit to get a Green Card; you can get it at any age. However, there are eligibility requirements set to qualify and obtain a Green Card. U.S. immigration laws provide a variety of ways for people to apply for a Green Card.

What’s the expiration date for a green card?

The card will list an F for female and an M for male. Card Expiration Date. This date is usually 10 years after the issuance date, which usually is titled Resident Since. For conditional residents, the expiration date will be 2 years after the issuance date.

Who is eligible for a family preference green card?

Other family members eligible to apply for a Green Card are described in the following family “preference immigrant” categories: First preference (F1) – unmarried sons and daughters (21 years of age and older) of U.S. citizens; Second preference (F2A) – spouses and children (unmarried and under 21 years of age) of lawful permanent residents;

Can a green card issued in 1946 still be used?

Old Green Card Green Cards issued between 1946 and 1964 were known as Alien Registration Receipt Cards. If you have an Alien Registration Receipt Card, you have to get a new Green Card. The Alien Registration Receipt Cards are no longer recognized by the USCIS as proof of lawful permanent residency.