United States federal budget


The United States budget comprises the spending and revenues of the U.S. federal government. The budget is the financial representation of the priorities of the government, reflecting historical debates and competing economic philosophies. The government primarily spends on healthcare, retirement, and defense programs.
The non-partisan Congressional Budget Office provides extensive analysis of the budget and its economic effects.
The budget typically contains more spending than revenue, the difference adding to the federal debt each year. CBO estimated in February 2024 that federal debt held by the public is projected to rise from 99 percent of GDP in 2024 to 116 percent in 2034 and would continue to grow if current laws generally remained unchanged. Over that period, the growth of interest costs and mandatory spending outpaces the growth of revenues and the economy, driving up debt. Those factors persist beyond 2034, pushing federal debt higher still, to 172 percent of GDP in 2054.

Overview

The budget document often begins with the President's proposal to Congress recommending funding levels for the next fiscal year, beginning October 1 and ending on September 30 of the year following. The fiscal year refers to the year in which it ends. However, Congress is the body required by law to pass appropriations annually and to submit funding bills passed by both houses to the President for signature. Congressional decisions are governed by rules and legislation regarding the federal budget process. Budget committees set spending limits for the House and Senate committees and for Appropriations subcommittees, which then approve individual appropriations bills to allocate funding to various federal programs.
If Congress fails to pass an annual budget, then several appropriations bills must be passed as "stop gap" measures. After Congress approves an appropriations bill, it is then sent to the President, who may either sign it into law or veto it. A vetoed bill is sent back to Congress, which can pass it into law with a two-thirds majority in each legislative chamber. Congress may also combine all or some appropriations bills into one omnibus reconciliation bill. In addition, the president may request and the Congress may pass supplemental appropriations bills or emergency supplemental appropriations bills.
Several government agencies provide budget data and analysis. These include the Government Accountability Office, the Congressional Budget Office, the Office of Management and Budget, and the Treasury Department. These agencies have reported that the federal government is facing many important long-run financing challenges, primarily driven by an aging population, rising interest payments, and spending for healthcare programs like Medicare and Medicaid.
During FY2022, the federal government spent $6.3 trillion. Spending as % of GDP is 25.1%, almost 2 percentage points greater than the average over the past 50 years. Major categories of FY 2022 spending included: Medicare and Medicaid, Social Security, non-defense discretionary spending used to run federal Departments and Agencies, Defense Department, and net interest.
CBO projects a federal budget deficit of $1.6 trillion for 2024. In the agency’s projections, deficits generally increase over the coming years; the shortfall in 2034 is $2.6 trillion. The deficit amounts to 5.6 percent of gross domestic product in 2024, swells to 6.1 percent of GDP in 2025, and then declines in the two years that follow. After 2027, deficits increase again, reaching 6.1 percent of GDP in 2034.
The following table summarizes several budgetary statistics for the fiscal year 2015-2021 periods as a percent of GDP, including federal tax revenue, outlays or spending, deficits, and debt held by the public. The historical average for 1969-2018 is also shown. With U.S. GDP of about $21 trillion in 2019, 1% of GDP is about $210 billion. Statistics for 2020-2022 are from the CBO Monthly Budget Review for FY 2022.
Variable As % GDP20152016201720182019202020212022Hist Avg
Revenue18.0%17.6%17.2%16.4%16.4%16.2%17.9%19.6%17.4%
Outlays20.4%20.8%20.6%20.2%21.0%31.1%30.1%25.1%21.0%
Budget Deficit-2.4%-3.2%-3.5%-3.8%-4.6%-14.9%-12.3%-5.5%-3.6%
Debt Held by Public72.5%76.4%76.2%77.6%79.4%100.3%99.6%94.7%

Budget principles

The U.S. Constitution states that "No money shall be drawn from the Treasury, but in Consequence of Appropriations made by Law; and a regular Statement and Account of Receipts and Expenditures of all public Money shall be published from time to time."
Each year, the President of the United States submits a budget request to Congress for the following fiscal year as required by the Budget and Accounting Act of 1921. Current law ) requires the president to submit a budget no earlier than the first Monday in January, and no later than the first Monday in February. Typically, presidents submit budgets on the first Monday in February. The budget submission has been delayed, however, in some new presidents' first year when the previous president belonged to a different party.
The federal budget is calculated largely on a cash basis. That is, revenues and outlays are recognized when transactions are made. Therefore, the full long-term costs of programs such as Medicare, Social Security, and the federal portion of Medicaid are not reflected in the federal budget. By contrast, many businesses and some other national governments have adopted forms of accrual accounting, which recognizes obligations and revenues when they are incurred. The costs of some federal credit and loan programs, according to provisions of the Federal Credit Reform Act of 1990, are calculated on a net present value basis.
Federal agencies cannot spend money unless funds are authorized and appropriated by law. Like any law, such appropriations must be introduced in Congress as a bill and passed by both the House of Representatives and the Senate and then usually be signed by the president. Typically, separate Congressional committees have jurisdiction over authorization and appropriations. The House and Senate Appropriations Committees currently have 12 subcommittees, which are responsible for drafting the 12 regular appropriations bills that determine amounts of discretionary spending for various federal programs. In many recent years, regular appropriations bills have been combined into "omnibus" bills.
Congress may also pass "special" or "emergency" appropriations. Spending that is deemed an "emergency" is exempt from certain Congressional budget enforcement rules. Funds for disaster relief have sometimes come from supplemental appropriations, such as after Hurricane Katrina. In other cases, funds included in emergency supplemental appropriations bills support activities not obviously related to actual emergencies, such as parts of the 2000 Census of Population and Housing. Special appropriations have been used to fund most of the costs of war and occupation in Iraq and Afghanistan so far.
Budget resolutions and appropriations bills, which reflect spending priorities of Congress, will usually differ from funding levels in the president's budget. The president, however, retains substantial influence over the budget process through veto power and through congressional allies when the president's party has a majority in Congress.

Budget authority versus outlays

The amount of budget authority and outlays for a fiscal year usually differ because the government can incur obligations for future years. This means that budget authority from a previous fiscal year can, in many cases, be used for expenditure of funds in future fiscal years; for example, a multi-year contract.
Budget authority is the legal authority provided by federal law to enter into financial obligations that will result in immediate or future outlays involving federal government funds. Outlays refer to the issuance of checks, disbursement of cash or electronic transfer of funds made to liquidate a federal obligation and is usually synonymous with "expenditure" or "spending". The term "appropriations" refers to budget authority to incur obligations and to make payments from the Treasury for specified purposes. Some military and some housing programs have multi-year appropriations, in which their budget authority is specified for several coming fiscal years.
In the congressional budgeting process, an "authorization" provides the legal authority for the executive branch to act, establishes an account which can receive money to implement the action, and sets a limit on how much money may be expended. However, this account remains empty until Congress approves an "appropriation", which requires the U.S. Treasury to provide funds. Congress is not required to appropriate as much money as is authorized.
Congress may both authorize and appropriate in the same bill. Known as "authorization bills", such legislation usually provides for a multi-year authorization and appropriation. Authorization bills are particularly useful when funding entitlement programs, where estimating the amount of funds to be spent is difficult. Authorization bills are also useful when giving a federal agency the right to borrow money, sign contracts, or provide loan guarantees. In 2007, two-thirds of all federal spending came through authorization bills.
A "backdoor authorization" occurs when an appropriation is made and an agency required to spend the money even when no authorizing legislation has been enacted. A "backdoor appropriation" occurs when authorizing legislation requires an agency to spend a specific amount of money on a specific project within a specific period of time. Because the agency would be violating the law if it did not do so, it is required to spend the money—even if no appropriation has been made. Backdoor appropriations are particularly vexsome because removing the appropriation requires amending federal law, which is often politically impossible to do within a short period of time. Backdoor authorizations and appropriations are sources of significant friction in Congress. Authorization and appropriations committees jealously guard their legislative rights, and the congressional budgeting process can break down when committees overstep their boundaries and are retaliated against.