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From 1910 through 2022, 1,293 statewide ballot propositions were on the California ballot. The decade with the most ballot propositions was the 1970s. The decade with the least was the 1950s. The single year with the most ballot propositions was 1914, with 48 propositions.
Starting in 2010, ballot propositions in California were only put on the ballot during even-numbered years. Moreover, in 2011, California lawmakers passed a bill requiring all citizen-initiated measures—initiatives and veto referendums—to appear before voters during the general election in November or even-numbered years.
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