* 2018 data is a projection
Values have been rounded.
Midterm elections in the United States occur every four years, halfway through a president's term, on the first Tuesday after the first Monday in November.
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Total cost of U.S. midterm elections, by party 1998-2018
This statistic shows the total cost of United States midterm elections from 1998 to 2018, by party. In 2018, it is projected that the midterm elections will cost about 5.2 billion U.S. dollars. Democrats are projected to spend around 2.5 billion U.S. dollars, Republicans 2.2 billion U.S. dollars, and third party candidates 460.3 million U.S. dollars.
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opensecrets.org. (October 29, 2018). Total cost of U.S. midterm elections from 1998 to 2018, by party (in million U.S. dollars) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 20, 2026, from /statistics/934351/us-midterm-elections-total-cost-party/
opensecrets.org. "Total cost of U.S. midterm elections from 1998 to 2018, by party (in million U.S. dollars)." Chart. October 29, 2018. ÌÇÐÄÆƽâ°æ. Accessed July 20, 2026. /statistics/934351/us-midterm-elections-total-cost-party/
opensecrets.org. (2018). Total cost of U.S. midterm elections from 1998 to 2018, by party (in million U.S. dollars). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 20, 2026. /statistics/934351/us-midterm-elections-total-cost-party/
opensecrets.org. "Total Cost of U.S. Midterm Elections from 1998 to 2018, by Party (in Million U.S. Dollars)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 29 Oct 2018, /statistics/934351/us-midterm-elections-total-cost-party/
opensecrets.org, Total cost of U.S. midterm elections from 1998 to 2018, by party (in million U.S. dollars) ÌÇÐÄÆƽâ°æ, /statistics/934351/us-midterm-elections-total-cost-party/ (last visited July 20, 2026)
Total cost of U.S. midterm elections from 1998 to 2018, by party (in million U.S. dollars) [Graph], opensecrets.org, October 29, 2018. [Online]. Available: /statistics/934351/us-midterm-elections-total-cost-party/
