H1B Report
State comparison

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.

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

Key metrics

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

MetricCaliforniaIllinois
Total filings1,684,275▲428,170
National share %18.05%▲4.59%
Rank nationally#1▲#5
Top sponsorINFOSYS LIMITEDINFOSYS LIMITED
Top sponsor share3.2%4.4%
Top occupationSoftware DevelopersSoftware Developers

Filings by fiscal year

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

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
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

Top 5 sponsors — California

Top 5 sponsors — Illinois

Top 5 occupations — California

Top 5 occupations — Illinois

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California vs Illinois — H-1B State Comparison · H1B Report