N-600K Application for Certificate of Citizenship

Published combined group: Combined N-600 + N-600K; standalone counts are not published. These counts cannot be attributed to N-600K alone.

USCIS publishes this form within the combined group shown in the graphs below; no standalone row is published.

FY2026 values are partial-year through August 30, 2026. These medians use a different methodology from the monthly averages above. USCIS has not published values for every classification.

Source: USCIS historical national medians, verified Nov 2, 2026.

These historical observations end in FY2020 or FY2021, depending on the classification. They are separate from the current workbooks above; missing values are not zero.

N-600 + N-600K · Application for Certificate of Citizenship/Issuance of CertificateView historical counts

Historical-only series: Historical classification 0: Application for Certificate of Citizenship/Issuance of Certificate. Q1 2013–Q1 2021.

Combined group retained: N-600 + N-600K. No standalone counts are inferred.

Approved and denied counts

Pending inventory and new receipts

N-600 + N-600K · Application for Certificate of Citizenship/Issuance of Certificate · Historical classification 0: Application for Certificate of Citizenship/Issuance of Certificate · historical export

Quarter	Received	Approved	Denied	Pending
Q1 2013	15,295	14,962	1,319	32,093
Q2 2013	17,480	14,381	1,329	33,252
Q3 2013	18,474	16,908	1,702	33,539
Q4 2013	15,633	16,294	1,679	32,015
Q1 2014	13,714	15,489	1,481	29,672
Q2 2014	15,436	13,564	1,526	30,807
Q3 2014	17,215	15,043	1,478	30,931
Q4 2014	14,498	13,456	1,367	30,359
Q1 2015	13,519	13,225	1,221	30,952
Q2 2015	16,410	13,197	1,305	33,168
Q3 2015	17,402	15,006	1,546	32,958
Q4 2015	15,981	12,901	1,249	34,804
Q1 2016	14,610	15,568	1,164	32,056
Q2 2016	18,595	15,479	1,546	34,165
Q3 2016	20,130	16,970	1,636	35,689
Q4 2016	17,901	16,778	1,391	36,128
Q1 2017	23,788	16,298	1,503	43,508
Q2 2017	16,068	15,620	1,477	45,123
Q3 2017	14,596	14,961	1,144	44,292
Q4 2017	13,259	15,496	1,058	41,503
Q1 2018	12,011	14,696	928	42,402
Q2 2018	12,133	15,036	1,141	42,923
Q3 2018	15,158	15,354	1,454	41,983
Q4 2018	13,757	16,307	1,343	40,296
Q1 2019	12,796	14,247	1,269	39,474
Q2 2019	13,099	13,572	1,248	38,935
Q3 2019	15,171	16,860	1,575	37,892
Q4 2019	16,275	14,136	1,668	38,436
Q1 2020	16,602	12,839	1,080	41,201
Q2 2020	15,713	12,184	1,157	44,487
Q3 2020	8,625	10,281	1,017	45,197
Q4 2020	13,629	6,433	636	38,941
Q1 2021	12,381	10,431	1,032	40,838

Preserved historical export; charts show the last eight available quarters, while the table retains all observations. Missing and suppressed cells remain unavailable. No line is drawn across the gap to current reports.Graph source and mapping audit.

No form-specific report is currently indexed from the USCIS RSS feed.

These values are retained only for historical context and are not current processing estimates.

• Current processing-time estimates in the local snapshot come from cached USCIS API responses published on March 29, 2022. They are included only as legacy context; the primary up-to-date source is the USCIS Immigration and Citizenship Data RSS feed and linked quarterly workbooks.