The U.S on average prior to 2024 contributed about a full quarter of the Regular U.N Budget. The amount varied slightly year over year. As of 2023 it was reportedly 22% or 13 Billion Dollars. Comparatively for 2024. The 5 Countries to pay the most after the U.S. Japan, France, Germany, Italy, and the U.K contributed 820.2 Million Dollars combined.

And the U.S also accounts for about 27-28% of the budget for Peacekeeping Missions. Though I didn’t see a monetary amount listed just a percentage