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The statistic represents the U.S. income security outlays from 2000 to 2011 as a percentage of the Gross Domestic Product. Income security outlays amounted to 68.7 billion U.S. dollars in 1990, which was about 1.2 percent of the U.S. GDP. Income security outlays increased up to 404.6 billion U.S. dollars in 2011, which was about 2.7 percent of the U.S. GDP.