How big is the us government?

Here is a breakdown of the civilian workforce by department:

- Department of Defense (DOD): 770,453

- Department of Veterans Affairs (VA): 390,191

- Department of Homeland Security (DHS): 283,243

- Department of Health and Human Services (HHS): 271,294

- Department of the Treasury: 268,203

- Department of Justice (DOJ): 224,629

- Department of the Interior (DOI): 70,654

- Department of Agriculture (USDA): 28,573

- Department of Commerce: 50,534

- Department of Labor: 17,405

- Department of Transportation (DOT): 59,352

- Department of Energy (DOE): 16,857

- Department of Housing and Urban Development (HUD): 41,533

- Department of Education: 4,135

- Department of State: 76,353

- Central Intelligence Agency (CIA): 21,573

- U.S. Agency for International Development (USAID): 17,356

- Environmental Protection Agency (EPA): 15,093

- National Aeronautics and Space Administration (NASA): 18,090

- Federal Bureau of Investigation (FBI): 35,074

- Internal Revenue Service (IRS): 90,533

- Bureau of Prisons: 36,143

- U.S. Customs and Border Protection (CBP): 60,694

- National Institutes of Health (NIH): 38,564

- Food and Drug Administration (FDA): 17,396