H1B Report
State comparison

Illinois vs California

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.

State A
Illinois
ILRank #5
State B
California
CARank #1

Key metrics

National share is each state’s portion of total US H-1B filings.

MetricIllinoisCalifornia
Total filings428,1701,684,275▲
National share %4.59%18.05%▲
Rank nationally#5#1▲
Top sponsorINFOSYS LIMITEDINFOSYS LIMITED
Top sponsor share4.4%3.2%
Top occupationSoftware DevelopersSoftware Developers

Filings by fiscal year

Year-over-year H-1B demand in each state.

Illinois
Time series: 17 points from FY2010 to FY2026
Time series
PeriodValue
FY201017,542
FY201118,596
FY201222,351
FY201324,513
FY201427,412
FY201532,770
FY201635,186
FY201732,082
FY201831,959
FY20194,058
FY202027,702
FY202139,044
FY202229,930
FY202327,890
FY202423,732
FY202525,222
FY20268,181
California
Time series: 17 points from FY2010 to FY2026
Time series
PeriodValue
FY201063,120
FY201165,699
FY201276,412
FY201383,865
FY201498,525
FY2015115,758
FY2016119,754
FY2017119,409
FY2018128,477
FY201916,784
FY2020116,018
FY2021177,848
FY2022123,097
FY2023123,478
FY2024102,108
FY2025110,926
FY202642,997

Top 5 sponsors — Illinois

Top 5 sponsors — California

Top 5 occupations — Illinois

Top 5 occupations — California

Swap an entity
Replace either state above without losing the comparison. 2-way for now; 3+ comparison coming soon.
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Illinois vs California — H-1B State Comparison · H1B Report