How Much Does the U.S. Fund the United Nations?
....The United States remains the 👉largest donor👈 to the United Nations today. In 2025, it was responsible for 22 percent of the UN regular budget, which finances the day-to-day operations of the organization and its primary activities, and approximately 26 percent of the UN peacekeeping budget.
https://www.cfr.org/articles/funding-united-nations-what-impact-do-us-contributions-have-un-agencies-and-programs
How Much Does the U.S. Fund the United Nations? | Council on Foreign Relations
The United States has historically been the largest donor to the United Nations. However, during his second term, President Trump has reduced U.S. funding, withdrawn from major agencies, and scaled back the country’s involvement in UN initiatives.
https://www.cfr.org/articles/funding-united-nations-what-impact-do-us-contributions-have-un-agencies-and-programs