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US Government Taxes and Revenue Since 1900



Government revenue, from taxes, fees, and business revenue, has increased substantially in the 20th century. There have also been remarkable changes in the type of taxes raised and in the relative taxing power by type of government.

A Century of Government Revenue

Government Revenue in the United States has steadily increased from 7 percent of GDP in 1902 to over 35 percent today.

Chart 3.21: Total Revenue in 20th Century

Chart 3.22: Federal, State, Local Revenue in 20th Century

Government Revenue started out at the beginning of the 20th century at seven percent of Gross Domestic Product (GDP). As you can see from Chart 3.22, the federal share of revenue in 1900 was modest, at 3.22 percent of GDP. State revenue was a modest 0.81 percent of GDP and local revenue was 3.786 percent of GDP. But this relationship was not to last.

The federal income tax was passed in 1913 and federal revenue rose rapidly in World War I, peaking at 8.3 percent of GDP in 1921 as total government revenue peaked at 14.6 percent of GDP.

For the rest of the 1920s government revenue held at about 11 to 12 percent of GDP, but tax increases at the nadir of the Great Depression increased the government take to 18.9 percent in 1933 (5.7 percent Federal, 4.13 percent State and 9.04 percent Local) and 20 percent in 1938 right after the 1937 recession (8.27 percent federal, 5.28 percent State and 6.46 percent Local). The trend was clear; taxing power was moving from the local level up to state governments and to the federal government.

Chart Key:
- Local revenue
- State revenue
- Federal revenue

In World War II the government tax take rose sharply again, peaking at 30 percent of GDP in 1945. This revenue was split unequally between the levels of government. Federal revenue in 1945 reached 23.3 percent of GDP, State revenue was down to 3.16 percent, and local revenue down to 3.09 percent.

In the post World War II era government revenue fell back initially but then began a slow increase, peaking at 32 percent of GDP in the recession year of 1982 and 33.2 percent of GDP in the recession year of 2001. Federal revenue has remained relatively steady, holding between 15 and 20 percent of GDP. But state and local revenue have increased substantially. State revenue broke 8 percent of GDP in 1985 and thereafter has fluctuated between 8 and 10 percent of GDP. Local revenue broke 6 percent in 1983 and thereafter has fluctuated between 6 and 7.5 percent of GDP.


Revenue Sources by Type since 1900

In 1900, government revenues came mainly from ad-valorem taxes. Since World War II government revenue has come mostly from income-based taxes.

Chart 3.23: Federal, State, Local Revenue in 20th Century

At the beginning of the 20th century, government revenue came almost exclusively from ad-valorem taxes. The federal government obtained its revenue from import tariffs and state and local governments obtained revenue from property taxes.

Things began to change with the passage of the federal income tax in 1913. Income tax collections went to 4.67 percent of GDP in 1921 in the aftermath of World War I, before settling down at about 2 percent of GDP during most of the 1920s and 1930s. Meanwhile ad-valorem taxes went from about 5 to 6 percent of GDP in the early decades of the century to about 8.5 percent of GDP at the end of the 1920s boom, peaking at 14.1 percent of GDP in the depths of the Great Depression in 1933.

Chart Key:
- Social insurance taxes
- Business revenue
- Fees & charges
- Ad-valorem taxes
- Income taxes

Social insurance taxes began seriously in 1937 when FICA taxes started up to fund Social Security. Social insurance taxes were 0.84 percent of GDP in the first year of FICA, rising to 0.85 percent by 1940. Income taxes ballooned to 15.7 percent of GDP in the war year of 1944, but settled down to 11 to 12 percent thereafter.

Ad-valorem taxes declined after World War II. They yielded about 11 to 12 percent of GDP in the 1950s and then slowly declined to 7.5 percent of GDP by the 2000s.

Fees and charges yielded about 0.5 percent of GDP in the 1900s and slowly increased to about one percent of GDP by the 1930s. They started to increase again after World War II, peaking at 3.6 percent in 1991 and then declining to 2.5 percent of GDP by the 2000s.

Revenue Breakdown by Level of Government

The federal government raises revenue principally from income and social insurance taxes. State government revenue breaks down about equally between income taxes, ad-valorem taxes, and fees and business revenue. Local government revenue is about half ad-valorem taxes and half fees and business revenue.

Chart 3.24: Federal Revenue in 20th Century

At the beginning of the 20th century governments at all levels in the United States raised almost all their revenue from ad-valorem taxes: tariffs, sales taxes, and property taxes.

Starting in World War I, after the passage of the federal income tax, federal revenue became increasingly dependent upon income taxes. After the passage of the Social Security Act in 1935, the income tax was augmented by social insurance taxes, i.e, taxes on wage income.

From the 1950s to the 1990s income tax revenues slowly declined as a percent of GDP from 13 percent down to 10 percent. In the 2000s federal income tax has fluctuated between 8 and 12 percent of GDP.

Federal social insurance revenues have steadily increased since the start of Social Security in 1937. Starting at 0.33 percent of GDP in 1937, social insurance revenues hit 1 percent of GDP in 1949, 2 percent of GDP in 1960, 3 percent of GDP in 1963, 4 percent of GDP in 1970, 5 percent of GDP in 1979, and 6 percent of GDP in 1985. Social insurance revenues peaked at 6.5 percent of GDP in 2001 and since then have declined modestly. Since 2010 social insurance revenues have stabilized at about 6 percent of GDP.

Chart 3.25: State Revenue in 20th Century

State revenue at the beginning of the 20th century came almost exclusively from ad-valorem taxes. States began to get revenues from income taxes in the 1920s and from social insurance taxes beginning in the 1930s. But the principal source of revenue remained ad-valorem taxes. State income taxes began to ramp up in the 1970s, but flattened after 1990. Revenue from fees, employee retirement operations, and lotteries began to represent a large share of revenue in the 1980s and thereafter. Fluctuations in social insurance revenues reflect sudden losses experienced by state employee pension funds during financial market downturns.

Chart 3.26: Local Revenue in 20th Century

Local revenues are collected principally through ad-valorem taxes. Income taxes and social insurance taxes remain negligible in most localities. Fees and business income, including employee retirement operations, have steadily increased as a share of revenue throughout the 20th century.

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Revenue Data Sources

Revenue data is from official government sources.
  Federal data since 1962 comes from the president’s budget.
  All other revenue data comes from the US Census Bureau.

Gross Domestic Product data comes from US Bureau of Economic Analysis and measuringworth.com.

Detailed table of revenue data sources here.

Federal revenue data begins in 1792.

State and local revenue data begins in 1890.

State and local revenue data for individual states begins in 1957.

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Next Data Update

> State and Local Finances FY12

> data update schedule.

Data Sources for 2014:

GDP, GO: See GDP, GO Sources
Federal: Fed. Budget: Hist. Tables 2.1, 2.4, 2.5, 7.1
State and Local: State and Local Gov. Finances
Guesstimated” by projecting the latest change in reported revenue forward to future years

> data sources for other years
> data update schedule.

CBO Long-term Outlook 2014

On July 15, 2014, the Congressional Budget Office released its annual Long Term Budget Outlook, which projects federal spending and revenue out into the 2080s.  As before, the CBO study shows that federal health-care programs will eat the budget.

UsGovernmentspending.com has updated its chart of the CBO Long Term Budget Outlook here.  You can download the data and also view CBO Long Term Budget Outlooks going back to 1999.

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