United States Budget

The four largest expenses, Health, Military, Social Security, and Income Security, account for 82.48% of the total budget; $2.89 Trillion. All other budgetary expenses combined account for 19.99% of the total budget; $702 Billion. Undistributed offsetting receipts make for -2.46% of the budget; -$86 Billion. Total Budget Authority was $3.51 Trillion.

Budget Summary

The following is a summary of the U.S. Budget, 2011 (last year for certain data, as opposed to estimates - uses 2013 budgetary data).

Category	Sections	Expense (Billions)	Budget %
Health	550, 570	$862.10	24.56%
Social Security	650	$731.73	20.85%
Military	050	$717.42	20.44%
Income Security	600	$583.67	16.63%
Major Expenses		$2,894.92	82.48%
Interest on Debt	900	$230.47	6.57%
Veterans Benefits & Services	700	$123.12	3.51%
Transportation	400	$86.51	2.46%
Education, Training, Employment, & Social Services	500	$76.54	2.18%
International Affairs	150	$53.59	1.53%
Administration of Justice	750	$53.58	1.53%
Natural Resources & Environment	300	$35.35	1.01%
General Science, Space, & Technology	250	$29.65	0.84%
General Government	800	$23.86	0.68%
Agriculture	350	$21.51	0.61%
Community & Regional Development	450	$14.88	0.42%
Energy	270	$6.69	0.19%
Allowances	920	$0.0	0.00%
Commerce & Housing Credit	370	-$54.21	-1.54%
Lesser Expenses		$701.54	19.99%
Undistributed Offsetting Receipts	950	-$86.49	-2.46%
Total Budget Authority		$3,509.97	100.00%

Detailed Budget

Category	Expense (Billions)	Budget %	Section %
050 National Defense:
051 Department of Defense-Military:
Military Personnel	$153.39	4.51%	22.08%
Operation and Maintenance	$305.24	8.70%	42.55%
Procurement	$131.90	3.76%	18.39%
Research, Development, Test, and Evaluation	$76.69	2.18%	10.69%
Military Construction	$15.99	0.46%	2.23%
Family Housing	$1.83	0.05%	0.26%
051 Subtotal, Department of Defense-Military	$691.47	19.70%	96.38%
053 Atomic Energy Defense Activities	$18.53	0.53%	2.58%
054 Defense-Related Activities	$7.41	0.21%	1.03%
Total, National Defense	$717.42	20.44%	100.00%
150 International Affairs:
151 International Development and Humanitarian Assistance	$21.66	0.62%	40.42%
152 International Security Assistance	$12.47	0.36%	23.26%
153 Conduct of Foreign Affairs	$14.03	0.40%	26.18%
154 Foreign Information and Exchange Activities	$1.55	0.04%	2.90%
155 International Financial Programs	$3.88	0.11%	7.25%
Total, International Affairs	$53.59	1.53%	100.00%
250 General Science, Space, and Technology:
251 General Science and Basic Research:	$11.74	0.33%	39.59%
252 Space Flight, Research, and Supporting Activities	$17.91	0.51%	60.41%
Total, General Science, Space, and Technology	$29.65	0.84%	100.00%
270 Energy:
271 Energy Supply	$5.90	0.17%	88.24%
272 Energy Conservation	$0.23	0.01%	3.47%
274 Emergency Energy Preparedness	$0.14	0.00%	2.02%
276 Energy Information, Policy, and Regulation	$0.42	0.01%	6.28%
Total, Energy	$6.69	0.19%	100.00%
300 Natural Resources and Environment:
301 Water Resources	$6.14	0.17%	17.37%
302 Conservation and Land Management	$10.93	0.31%	30.91%
303 Recreational Resources	$3.55	0.10%	10.04%
304 Pollution Control and Abatement	$8.55	0.24%	6.28%
306 Other Natural Resources	$6.19	0.18%	17.50%
Total, Natural Resources and Environment	$35.35	1.01%	100.00%
350 Agriculture:
351 Farm Income Stabilization	$17.06	0.49%	79.31%
352 Agricultural Research and Services	$4.45	0.13%	20.69%
Total, Agriculture	$21.51	0.61%	100.00%
370 Commerce and Housing Credit:
371 Mortgage Credit	-$5.04	0.14%	9.30%
372 Postal Service	$1.01	0.03%	-2.02%
373 Deposit Insurance	-$6.6	-0.19%	12.17%
376 Other Advancement of Commerce	-$43.66	-1.24%	80.55%
Total, Commerce and Housing Credit	-$54.21	1.54%	100.00%
400 Transportation:
401 Ground Transportation	-$53.69	1.53%	62.06%
402 Air Transportation	$21.90	0.62%	25.32%
403 Water Transportation	$10.53	0.30%	12.17%
407 Other Transportation	$0.39	0.01%	0.45%
Total, Transportation	$86.51	2.46%	100.00%
450 Community and Regional Development:
451 Community Development	$5.88	0.17%	39.57%
452 Area and Regional Development	$2.76	0.08%	18.55%
453 Disaster Relief and Insurance	$6.23	0.18%	41.88%
Total, Community and Regional Development	$14.88	0.42%	100.00%
500 Education, Training, Employment, and Social Services:
501 Elementary, Secondary, and Vocational Education	$39.89	1.14%	52.12%
502 Higher Education	$5.94	0.17%	7.76%
503 Research and General Education Aids	$3.57	0.10%	4.66%
504 Training and Employment	$7.31	0.21%	9.55%
505 Other Labor Services	$1.90	0.05%	2.48%
506 Social Services	$17.94	0.51%	23.44%
Total, Education, Training, Employment, and Social Services	$76.54	2.18%	100.00%
550 Health:
551 Health Care Services	$322.46	9.19%	89.64%
552 Health Research and Training	$32.80	0.93%	9.12%
554 Consumer and Occupational Health and Safety	$4.47	0.13%	1.24%
Total, Health	$359.72	10.25%	100.00%
570 Community and Regional Development:
571 Medicare	$502.38	14.31%	100.0%
600 Income Security:
601 General Retirement and Disability Insurance (Excluding Social Security)	$7.99	0.23%	1.37%
602 Federal Employee Retirement and Disability	$122.87	3.50%	21.05%
603 Unemployment Compensation	$119.28	3.40%	20.44%
604 Housing Assistance	$44.17	1.26%	7.57%
605 Food and Nutrition Assistance	$105.05	2.99%	18.00%
609 Other Income Security	$184.32	5.25%	31.58%
Total, Income Security	$583.67	16.63%	100.00%

Off-Budget

The U.S. Budget marks certain expenses as "Off-Budget". The above calculations include all expenses, including those considered "Off-Budget". A total of $499.74 Billion is considered "Off-Budget". Off-Budget expenses include the following:

Category	Sections	Expense (Billions)	Budget %
Social Security	651	$629.82	17.94%
Postal Service	372	$0.99	0.03%
Interest received by off-budget trust funds	903	-$115.98	-3.30%