How California's Primary Works
California uses different primary rules for state/congressional and presidential elections
State / Congressional
Presidential
& Party Affiliation Statistics
Key voter registration statistics · Updated 2026
How many registered Democrats, Republicans, and Independents are in California?
| Party | Registered Voters | % of Total |
|---|---|---|
Democratic | 10,103,823 | 44.5% |
Republican | 5,702,227 | 25.1% |
Independent | 6,158,651 | 27.2% |
Other | 719,197 | 3.2% |
Among California’s 4.3 million registered voters aged 18–29, 45% are Democrats, 33% are No Party Preference (including American Independent), 17% are Republicans and 4% belong to other parties.
Answered directly from the voter file with Voter Count
California uses different primary rules for state/congressional and presidential elections
State / Congressional
Presidential
Independent registration trend in California
How many eligible Californians actually vote?
| Election | Turnout | Voted |
|---|---|---|
| 2024 General | 62.3% | 16,140,044 |
| 2022 General | 42.9% | 11,146,610 |
| 2020 General | 68.8% | 17,785,151 |
| 2022 State Primary | 33.2% | 7,285,230 |
| 2024 Presidential Primary | 35.0% | 7,719,218 |
Primary turnout figures reflect all voters regardless of party registration. Source: each state’s Secretary of State Statement of Vote.