Form N-600 (Application for Certificate of Citizenship): At a typical office, half of N-600 cases finish within about 10 months and 8 in 10 within about 11.1 months. The full range across case types and offices runs from 3 months to 4.9 years (USCIS data, August 17, 2026).
Trend: a year ago, a typical office's median for N-600 was 5 months; today it is 8.8 months — about 3.8 months slower than last year.
Processed at 90 offices. At a typical office, half of cases finish within about 10 months and 8 in 10 within about 11.1 months. The fastest offices report medians near 3 months, while the slowest report nearly-all times of about 4.9 years. Office-by-office numbers are on each office page.
Use the Processing Times tool to add your filing date and see a personalized estimate for your pending case, or explore the Department of Labor queues and the Visa Bulletin waiting line on the same page.