Form N-600K

Application for Certificate of Citizenship

Processing Statistics

Application for Citizenship and Issuance of Certificate

Basic Visa Info
Visa Official Name: Application for Certificate of Citizenship
Visa Filing Types:
  • Application for Citizenship and Issuance of Certificate
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Service Request Date and Estimated Time
Service Center
Form Type
Estimated Processing Time
Service Request Date
Type Info

Determine your service center using the first 3 characters of your receipt number. If your receipt date is before the "Service Request Date" listed for your service center and form type, you can submit a service request due to “outside normal processing time” here.
Last Update:

Historical Average Processing Times
201320142015201620172018201920202021
- days6 mo6.3 mo5.9 mo7.1 mo9.5 mo8.4 mo8.4 mo- days
Form N-600K USCIS Approval Rate and Backlog
Historic Approval Rate
Application for Certificate of Citizenship/Issuance of Certificate [Accepted / Denied]
Historic approval and denial rate for Application for Certificate of Citizenship/Issuance of Certificate (Form N-600K)
Submission Rate and Backlog
Application for Certificate of Citizenship/Issuance of Certificate [Pending Backlog / New Submission]
Historic backlog of yet to be processed cases and new submissions for Application for Certificate of Citizenship/Issuance of Certificate (Form N-600K)

Data may include combined N-600/N-600K for some quarters

Fiscal year begins October 1 and ends September 30 of the reporting period. Data sources include USCIS, Department of Homeland Security, U.S. Citizenship and Immigration Services, Performance Reporting Tool (PRT), USCIS Electronic Immigration System (ELIS) and C3 Consolidated


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