https://www.cbo.gov/publication/60235#:~:text=In%20fiscal%20year%202022%2C%20the,the%20Department%20of%20Homeland%20Security. https://www.cbo.gov/publication/60

https://www.cbo.gov/publication/60235#:~:text=In%20fiscal%20year%202022%2C%20the,the%20Department%20of%20Homeland%20Security. https://www.cbo.gov/publication/60235#:~:text=In%20fiscal%20... FY 2022 spending was around $6.75 trillion, civilian pay was $271 billion, or around 4% of the spending for that year. You'll find the numbers have been hovering around 4-5% for quite a while.