Voter turnout is understood in two different ways. The easiest to measure is turnout as a share of already-registered voters. For understanding who is represented in our electorate, the more accurate indicator is voter turnout as a share of eligible voters. The following graph demonstrates the historical turnout trends for California’s electorate, seen through both of these lenses. Over the last forty years, registered turnout in the state has fluctuated significantly. State voter turnout rates have also varied significantly by county. A key contributor to these uneven turnout rates is the state’s ability to successfully register voters across its counties, ultimately impacting democratic representation.

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