Source http://www.whitehouse.gov/omb/budget/fy2007/tables.html
| Agency | 2006 Actual in Billions | % |
| Agriculture | 21.10 | 2.5% |
| Commerce | 6.40 | 0.8% |
| Defense | 410.70 | 48.7% |
| Education | 56.50 | 6.7% |
| Energy | 23.60 | 2.8% |
| Health and Human Services | 69.10 | 8.2% |
| Homeland Security | 30.70 | 3.6% |
| Housing and Urban Development | 34.10 | 4.0% |
| Interior | 10.80 | 1.3% |
| Justice | 21.10 | 2.5% |
| Labor | 11.30 | 1.3% |
| State and Other International Programs | 30.20 | 3.6% |
| Transportation | 14.60 | 1.7% |
| Treasury | 11.40 | 1.4% |
| Veterans Affairs | 32.90 | 3.9% |
| Corps of Engineers | 5.30 | 0.6% |
| Environmental Protection Agency | 7.60 | 0.9% |
| Executive Office of the President | 0.30 | 0.0% |
| Judicial Branch | 5.30 | 0.6% |
| Legislative Branch | 3.80 | 0.5% |
| National Aeronautics and Space Administration | 16.30 | 1.9% |
| National Science Foundation | 5.60 | 0.7% |
| Small Business Administration | 0.50 | 0.1% |
| Social Security Administration | 7.40 | 0.9% |
| Other Agencies | 6.70 | 0.8% |
| Totals | 843.30 | 100.0% |