As to the X gender option: Supporting documentation is not required to request or change the gender selection on the N-400. Gender selection on the Form N-400 does not need to match other immigration ...

As of April 1, immigrants seeking naturalization in the United States who do not identify as male or female will now have the option to choose “X” as their gender when completing the revised form ...

Be a lawful permanent resident (or Green Card holder) for at least five years, or three years if married to a U.S. citizen.

Earlier this year, U.S. Citizenship and Immigration Services (USCIS) proposed a new Application for Naturalization to replace the current N-400 form. The most striking change is the more than doubling ...