What is the n400 processing time?

Because the N-400 process involves several steps, it is always advisable to consult first with an immigration lawyer who can anticipate the road ahead.

You will want to ensure that there are no obstacles that will prevent your application from progressing, as there are many steps.

Here is an approximate timeline of the process:

Application filing and receipt (approximately 2 to 3 weeks from filing)
Your notice of the biometrics appointment time, date, and location (3 to 5 weeks)
The biometrics appointment (5 to 8 weeks)
Your notice of the naturalization interview (3 to 5 months)
The naturalization interview (4 to 6 months)
You receive the Notice of Oath Ceremony, form N-445, to take the Oath of Allegiance (1 to 4 weeks after the interview)
Oath of Allegiance (5 to 8 months from filing)

Get more information here:

Naturalization Processing Time | N-400 Instructions

Citizenship Appeals | n-336 | n 336 form

What is the n400 processing timeline? N-400 timeline

Naturalization. The process of becoming a citizen of U.S.