US Entitlement Spending Growth
Entitlement spending by governments in the United States has grown from 0.4 percent GDP in 1900 to 19 percent of GDP in 2010.
Entitlement Spending and the Economy
Chart 2.81:
Entitlement Spending and Economy
Entitlement Spending — considered as government pensions, healthcare and welfare — started out at the beginning of the 20th century at 0.4 percent of Gross Domestic Product (GDP).
As you can see from Chart 2.81, entitlement spending was negligible until the Great Depression of the 1930s
In response to the Great Depression President Roosevelt and the New Deal cranked up
welfare spending to 1.5 percent of GDP by the mid 1930s and over 2.0 percent on the eve of World War II in 1940.
In 1950, entitlement spending had reached 3.3 percent of GDP, mostly welfare, but by 1960 entitlement spending had reached 5.1 percent of GDP as Social Security spending started to ramp up.
Chart Key:

- Pension spending

- Healthcare spending

- Welfare spending
In 1965 Congress passed Medicare, Medicaid and the Great Society programs, and entitlement spending exploded reaching 11 percent of GDP in 1975.
By the early 1980s, entitlement spending reached 13 percent of GDP and pensions spending stabilized at a little over five percent
of GDP, with welfare spending stabilized at three to four perent of GDP. But healthcare spending sustained a steady rise, from three percent of GDP in 1980 to five percent of GDP in 2000.
Since 2000, entitlement spending has increased, reaching 19 percent of GDP in 2010.
Pension spending has increased to six percent of GDP,
and welfare spending has exploded to over five percent of GDP
in the aftermath of the Great Recession of 2007-09.
Healthcare spending has continued steady growth, reaching over seven percent of GDP in 2009.
Entitlement Spending and Government
Entitlement spending has increased from about five percent of all government spending in 1900 to
45 percent of all government spending, federal, state, and local, in 2010.
Chart 2.82:
Entitlement Spending and Government
In the early 20th century entitlement spending represented about five percent of government spending: mostly health care spending. But the Great Depression changed all that. Starting in the early 1930s welfare spending expanded
rapidly from two percent of total government to ten percent of total government by 1940, so that total entitlement
spending reached 15 percent of total government.
Entitlement spending shrank as a proportion of government spending during World War II and resumed at about 15 percent of government after the war. But then entitlement spending began a steady increase, reaching 20 percent of government spending by 1970, principally due to the increase in Social Security spending.
From 1970 to 1980 entitlement spending exploded from 20 percent to 30 percent of government spending, but then shrank a little in the 1980s as Social Security and health care spending stablized and welfare spending shrank.
Starting in 1990 entitlement spending began another surge, increasing from 33 percent of government to 41 percent
by 1994 and health care spending increased from 10 percent to 15 percent of total government spending.
In the 2000s entitlement spending increased modestly, but increased sharply in the Great Recession, reaching nearly 47 percent of government spending in 2010.
Social Security
Social Security is the biggest government program in the United States.
Chart 2.83:
Social Security Outlays as percent of GDP
Social Security was passed in 1935 during the run-up to the 1936 presidential election. Benefits for the
Old Age and Survivor Insurance (OASI) program started in 1937, and reached one percent of GDP for the first time in 1955. Outlays thereafter increased rapidly, breaching 2 percent of GDP in 1960. Then OASI growth
slowed, reaching 3 percent of GDP in 1973. Benefit growth resumed rapid growth in the 1970s, hitting a peak
of 4.4 percent of GDP in 1983.
In the 1980s OASI benefits declined modestly to 3.9 percent of GDP by 1989, but then started a slow increased in the early 1990s, reaching 4.1 percent of GDP in 1991.
But then OASI benefits declined slowly as a percent
of GDP in the rest of the 1990s and the 2000s, bottoming at 3.5 percent of GDP in 2006. In the Great
Recession OASI benefits started to increase, breaching 4 percent of GDP in 2012. OASI benefits
are expected to increase to 4.25 percent of GDP in the mid 2010s.
In 1956 Congress passed the Disability Insurance (DI) program and benefits started in 1958. Benefits reached 0.5 percent of GDP in 1976. After peaking at 0.57 percent of GDP in 1977 DI benefits began a
slow decline, bottoming out at 0.43 percent of GDP in 1989.
In the 1990s DI benefits slowly increased as a percent of GDP breaching 0.5 percent of GDP in 1993, 0.6
percent of GDP in 2002, and 0.7 percent of GDP in 2006. In the Great Recession DI benefits have increased,
reaching 0.8 percent of GDP in 2009 and nearly 0.9 percent of GDP in 2012.
Chart 2.84:
Social Security Outlays as percent of Federal Spending
Reckoned as a percent of federal spending, Social Security grew fastest in the 1950s, from 2 percent
of federal spending in 1950 to over 10 percent in 1960. In the 1960s, Social Security grew more modestly
ending the 1960s at about 13 percent of federal spending, but then grew to 20 percent of federal
spending by the mid 1970s.
Since the mid 1970s Social Security has rubbed along at about 20 to 23 percent of overall federal spending.
Medicare
Medicare is the federal health care program for US seniors.
Chart 2.85:
Medicare Outlays as percent of GDP
Medicare, the universal health program for older people in the United States, was passed in 1965. Initially
the program included two parts, the Part A Hospital Insurance program and the Part B Supplemental Medical
Insurance program.
Medicare Part A went from nothing to 0.5 percent of GDP in its first deade, reaching 0.5 perent of GDP in 1974. Part B only cost 0.11 percent of GDP in that year. Part A doubled again to 1.0 percent of GDP by
1982 while Part B quadrupled in size to 0.4 percent of GDP by 1985.