California Immigration Statistics
California ranks #1 among U.S. states for immigration activity with 368K total applications in 2023.
California is one of the top USCIS application-volume states, with 367,770 applications processed in the latest data vintage. High-volume states typically have multiple USCIS field offices, large established immigrant communities, and a steady inflow of new applicants across multiple visa categories.
The top single category in California is Nonimmigrant Arrivals, with the rest of the application mix spread across the other USCIS form types. The per-form pages on this site cover each individual category in detail.
Immigration by Category
| Category | Count |
|---|---|
| Nonimmigrant Arrivals | 12.5M |
| Green Cards (LPR) | 205K |
| Naturalizations | 155K |
| Asylees | 4.5K |
| Refugees | 3.7K |
USCIS Field Offices in California
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About This Data
Data from USCIS quarterly reports and the DHS Yearbook of Immigration Statistics (2023). Last updated May 2025. See our methodology.
Source: USCIS reports and studies, 2026.