California vs Illinois
H-1B filing geography compared side-by-side. Volume, national share, top sponsoring employers and most-filed occupations. Built from the same DOL LCA data that drives every page on H1B Report.
Key metrics
National share is each state’s portion of total US H-1B filings.
| Metric | California | Illinois |
|---|---|---|
| Total filings | 753,475▲ | 173,520 |
| National share % | 19.66%▲ | 4.53% |
| Rank nationally | #1▲ | #6 |
| Top sponsor | Google LLC | COGNIZANT TECHNOLOGY SOLUTIONS US CORP |
| Top sponsor share | 6.7% | 7.2% |
| Top occupation | Software Developers | Software Developers |
Filings by fiscal year
Year-over-year H-1B demand in each state.
California
Illinois
Top 5 sponsors — California
- 1Google LLC17,9716.7%
- 2Apple Inc.10,4653.9%
- 3Meta Platforms, Inc8,7913.3%
Top 5 sponsors — Illinois
- 1COGNIZANT TECHNOLOGY SOLUTIONS US CORP4,2887.2%
- 2Ernst & Young U.S. LLP1,8243.0%
- 3TATA CONSULTANCY SERVICES LIMITED1,1822.0%
Top 5 occupations — California
- 115-1252Software Developers295,793
- 215-1299Computer Occupations, All Other46,755
- 315-2051Data Scientists44,009
- 415-1253Software Quality Assurance Analysts and Testers24,270
- 517-2072Electronics Engineers, Except Computer23,922
Top 5 occupations — Illinois
- 115-1252Software Developers56,319
- 215-1299Computer Occupations, All Other14,386
- 315-2051Data Scientists10,459
- 415-1211Computer Systems Analysts7,309
- 515-1242Database Administrators6,599
Swap an entity
Replace either state above without losing the comparison. 2-way for now; 3+ comparison coming soon.
Swap A: California
Swap B: Illinois
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