Outside spending in U.S. political races for 2024 shows the presidential contest dominating with over * U.S. dollars invested, dwarfing Senate and House races. This massive influx of funds highlights the outsized influence of external groups on American elections.
Senate battlegrounds attract major outside money
Key Senate races are drawing substantial outside spending, with Ohio leading at nearly * U.S. dollars. This investment proved impactful, as Republican Bernie Moreno secured a victory, flipping the previously Democratic-held seat. Similarly, Montana's Senate race, which saw *** U.S. dollars in outside spending, resulted in Republican Tim Sheehy winning and flipping another Democratic seat.Â
Presidential race funding reaches new heights
The 2024 presidential race continues the trend of escalating campaign costs, with outside spending topping **** U.S. dollars. This follows the pattern set in 2020 when Democratic candidates alone spent approximately ** U.S. dollars. By December 2024, Vice President Kamala Harris's campaign had amassed about * U.S. dollars in committee funding, surpassing former President Donald Trump's committee. These figures reflect the intensifying financial arms race in presidential campaigns, highlighting the growing role of money in American politics.Â
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opensecrets.org. (February 11, 2025). Top political races in the United States in 2024, by outside spending (in million U.S. dollars) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 25, 2026, from /statistics/1557346/top-political-races-outside-spending-us/
opensecrets.org. "Top political races in the United States in 2024, by outside spending (in million U.S. dollars)." Chart. February 11, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 25, 2026. /statistics/1557346/top-political-races-outside-spending-us/
opensecrets.org. (2025). Top political races in the United States in 2024, by outside spending (in million U.S. dollars). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 25, 2026. /statistics/1557346/top-political-races-outside-spending-us/
opensecrets.org. "Top Political Races in The United States in 2024, by outside Spending (in Million U.S. Dollars)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 11 Feb 2025, /statistics/1557346/top-political-races-outside-spending-us/
opensecrets.org, Top political races in the United States in 2024, by outside spending (in million U.S. dollars) ÌÇÐÄÆƽâ°æ, /statistics/1557346/top-political-races-outside-spending-us/ (last visited July 25, 2026)
Top political races in the United States in 2024, by outside spending (in million U.S. dollars) [Graph], opensecrets.org, February 11, 2025. [Online]. Available: /statistics/1557346/top-political-races-outside-spending-us/
