How long does it take for my naturalization application to be processed? The national average processing time for a naturalization application, as of May 31, 2020, is about 8 months. Learn more here about how long the naturalization process takes. Related articles What's a premium tax credit? How long does the Boundless process for citizenship take? How do I change status from a K-3 visa to a marriage green card? Is there anything I need to do if my interview was cancelled by USCIS? The Consular Electronic Application Center (CEAC) website keeps freezing. Do you have any tips?