Form N-400 processing time
Application for Naturalization
Typical range
5-15 months
As of 2026-06-12; source: USCIS Form G-1055 (effective April 1, 2024); uscis.gov/n-400
High-end rank
#13
of 19 processing-time routes; -3 months vs median high end
Historical USCIS trend for N-400
USCIS fiscal-year medians · FY2016-FY2024The live USCIS tool answers "what is the current posted range?" The historical series answers a different question: whether this form's median wait has been rising, falling, or coming off a prior backlog peak.
Application for Naturalization
Latest 5.2 mo (FY2024) · peak 11.5 mo (FY2021) · falling
| Basis for filing | FY16 | FY17 | FY18 | FY19 | FY20 | FY21 | FY22 | FY23 | FY24 |
|---|---|---|---|---|---|---|---|---|---|
| Application for Naturalization | 5.2 | 7.9 | 9.7 | 10 | 9.1 | 11.5 | 10.5 | 6.1 | 5.2 |
Median months from receipt to completion. National median months from receipt to completion across all USCIS offices. FY2024 reflects Oct 1, 2023 – Jan 31, 2024 (partial year). Historical fiscal-year medians use a different methodology than the live USCIS processing-times tool and are not directly comparable. Source: USCIS Historical Processing Times Trends.
Live USCIS check
USCIS updates processing times monthly. Select your form, service center, and case type in the official tool before relying on any estimate. Historical fiscal-year medians and live monthly ranges use different methods.
egov.uscis.gov/processing-timesEstimate your timeline
Use the received date from your Form I-797 receipt notice. The calculator adds the low and high ends of this range and shows the estimated completion window and inquiry date.
Common questions
- What is the processing time for Form N-400?
- USCIS reports a typical processing range of 5-15 months for Form N-400 as of 2026-06-12. This varies by service center, case type, and current USCIS workload. Always check egov.uscis.gov/processing-times for the current live range.
- What is the case inquiry date for N-400?
- Your case inquiry date is your received date plus the high end of the published processing range (15 months). After this date, USCIS considers your case outside normal processing time and you may submit an inquiry.
- Does premium processing apply to N-400?
- Not available for N-400.
- Is N-400 processing getting faster or slower?
- USCIS historical fiscal-year medians show N-400 falling recently: the latest median was 5.2 months in FY2024, compared with a peak of 11.5 months in FY2021. FY2024 is partial and should not be treated as the live monthly processing time.