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Politics & Leadership

FEDERAL BUDGET 101

FEDERAL BUDGET 101

Where Does the Money Come From?

The federal government raises trillions of dollars in tax revenue each year, though there are many different kinds of taxes. Some taxes fund specific government programs, while other taxes fund the government in general. When all taxes for a given year are insufficient to cover all of the government’s expenses—which is often the case1— the U.S. Treasury borrows money to make up the difference.

Total federal tax revenues in fiscal year 2013 are projected to be $2.9 trillion.2 These revenues come from three major sources: income taxes paid by individuals, accounting for 47 percent of all tax revenues; payroll taxes paid jointly by workers and employers, accounting for 33 percent; and corporate income taxes paid by businesses, making up 12 percent. There are also a handful of other types of taxes like customs duties and excise taxes that make up much smaller portions of federal revenue. Customs duties are taxes on imports, paid by the importer, while excise taxes are taxes levied on specific goods, like gasoline. This pie chart below shows how much each of these revenue sources are expected to bring in during fiscal year 2013.


Once they are paid into the Treasury, income taxes and corporate taxes are designated as federal funds, while payroll taxes become trust funds. Federal funds are general revenues, meaning Congress and the president can decide to spend them on just about anything when they conduct the annual appropriations process. But trust funds can be used only to pay for very specific programs. The vast majority of trust fund revenues pay for Social Security and Medicare.

Income Taxes

The U.S. Constitution (Article I, Section 8) grants Congress the power to collect taxes. Early federal taxation was mostly in the form of excise taxes on goods such as alcohol and tobacco. Although an income tax existed briefly during the Civil War, it wasn’t until 1913, with the ratification of the XVI Amendment to the Constitution, that income taxes became permanent. At that time less than 1 percent of people paid income taxes.

Nowadays, more than 100 million American households file a federal tax return each year, and those income taxes make up the federal government’s single largest revenue source.3 The income tax system is designed to beprogressive. That is, the wealthy are meant to pay a larger percentage of their earnings than middle- or low-income earners. Due to the complexity of the tax code, however, this is often not the way it works out.

Corporate Taxes

Corporations pay income taxes similar to those paid by workers. Depending on how much profit a corporation makes, it pays a marginal tax rate anywhere from 15 to 35 percent.4 The top marginal tax rate for corporations, 35 percent, applies to taxable income over $18.3 million. As you can see in this line chart, individual income taxes make up a much larger share of all federal tax revenues than corporate taxes do, in part because the wages and salaries of all Americans are much larger than profits of all U.S. corporations. The share of federal tax revenue paid by corporations has also declined substantially over time.

While the official tax rate for most corporations is 35 percent, the effective tax rate—that’s the percentage of profits a corporation actually pays in taxes—varies enormously from one corporation to the next.5 That variation is the result of incredible complexity in the tax code as well as corporations’ varying exploitation of “loopholes” to avoid tax liability. Loopholes refer to provisions in the tax code that exempt certain activities from regular taxation. For example, multinational corporations can allocate profits to overseas operations and reduce their tax liability by doing so.

Payroll Taxes

While individual and corporate income taxes are designated as federal funds, as described above, payroll taxes are designated as trust funds. Trust funds can be used only for very specific purposes—mainly to pay for Social Security and Medicare. Social Security, officially called the Old Age, Survivors, and Disability Insurance program, is meant to ensure that elderly and disabled people do not live in poverty. Medicare is a federal program that provides health care coverage for senior citizens and the disabled.

Taxes to finance Social Security were established in 1935 as a payroll deduction—these are the payroll taxes you see taken directly out of your paycheck, labeled on pay stubs as Social Security and Medicare taxes or as “FICA,” an abbreviation for the Federal Insurance Contributions Act. That’s the law that mandates funding for Social Security by means of a payroll deduction.

The deductions from your paycheck are only half the story of payroll taxes. Employees and employers each pay 6.2 percent of wages into Social Security and 1.45 percent into Medicare. That means your employer deducts 7.65 percent of your wages from your paycheck to contribute to those programs, and then your employer contributes an equal amount, though you never see documentation of your employer’s contribution.

Currently there is a payroll-tax holiday in effect, so workers pay 4.2 percent of their wages as payroll taxes instead of 6.2 percent. This was part of lawmakers’ efforts to stimulate the economy during its slow recovery from the Great Recession. The payroll tax rate for workers will return to 6.2 percent on Dec. 31, 2012.

Borrowing

In most years, the federal government spends more money than it takes in from tax revenues. To make up the difference, the Treasury borrows money by issuing bonds. Anyone can buy Treasury bonds, and, in effect, lend money to the Treasury by doing so. In fiscal year 2013, the federal government is expected to borrow $901 billion. At around 24 percent of all revenues, borrowing constitutes a major source of revenue for the federal government. Down the road, however, the Treasury must pay back the money it has borrowed, and pay interest as well.

 

  • 1Congressional Budget Office, “The Budget and Economic Outlook: Fiscal Years 2011 to 2021,” Jan. 2011. 9 Jan. 2012 http://www.cbo.gov/ftpdocs/120xx/doc12039/01-26_fy2011outlook.pdf
  • 2Office of Management and Budget, “Budget of the United States Government, Fiscal Year 2013,” 6 Feb. 2012 http://www.whitehouse.gov/omb/budget/Overview
  • 3Internal Revenue Service, “Data Book 2007,” 29 Nov. 2011 http://www.irs.gov/pub/irs-soi/07dbreturnfiled.pdf
  • 4Internal Revenue Service, “Publication 542: Corporations,” 11 Nov. 2011 http://www.irs.gov/pub/irs-pdf/p542.pdf
  • 5Citizens for Tax Justice, “Corporate Taxpayers & Corporate Tax Dodgers,” Nov. 2011. 29 Nov. 2011 http://www.ctj.org/ctjreports/2011/11/corporate_taxpayers_corporate_tax_dodgers_2008-2010.php

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