Ballot measure campaign finance, 2024
Ballotpedia identified $1.33 billion ($1,332,796,857) in contributions to support or oppose statewide measures on ballots in 2024.
In 2022, for comparison, $1.10 billion was raised through December 31, 2022, to support or oppose 140 statewide ballot measures across 38 states.
- See also: 2024 ballot measures
Overview
Comparison to other years
The following graph shows the total contributions to state ballot measure committees from 2016 to 2024.
To view ballot measure campaign finance totals for prior years, click here.
States with most contributions
For 2024, the following 10 states had the most ballot measure campaign contributions:
| State | Measures | Contributions |
|---|---|---|
| California | 11 | $392,692,523 |
| Florida | 6 | $315,394,052 |
| Missouri | 8 | $110,060,621 |
| Washington | 4 | $57,629,536 |
| Arizona | 13 | $54,820,527 |
| Ohio | 1 | $50,974,026 |
| Colorado | 14 | $47,626,371 |
| Nevada | 7 | $47,348,311 |
| Massachusetts | 5 | $43,711,168 |
| Nebraska | 6 | $42,461,459 |
Measures with most contributions
For 2024, campaigns surrounding the following 10 ballot measures had received the most contributions:
2024 ballot measure contributions
The following tables list statewide measures on ballots in 2024, support and opposition contributions for each measure, and the outcome of each measure.
Citizen-initiated ballot measures
The following table lists citizen-initiated ballot measures, including veto referendums, that were placed on the ballot through a signature drive.
Referred ballot measures
The following table lists referred ballot measures. Legislatures voted to place these measures on the ballot, or the measures, such as constitutional convention questions, were put on the ballot through an automatic legal process.
Contributions by year
The following table shows the total contributions, the average amount per measure, and the most expensive state ballot measure for each year from 2015 to 2025. Click the year in the first column to access that year's data.