A total of $169.48 million has been contributed to either support or oppose 41 statewide ballot measures in eight states in 2023, surpassing the previous three odd-numbered-year election cycles.
Campaigns received $107.41 million in 2021. In 2019, $28.36 million was received. In 2017, $108.76 million was received.
In 2023, one state—Ohio—accounts for 63.23% of the total state ballot measure campaign contributions. About $107.15 million was received in Ohio, including $71.60 million for and against Ohio Issue 1, which would add a state constitutional right to abortion and other reproductive matters to the Ohio Constitution.