Who's responsible for the biggest budget deficits in U.S. history? You could argue that it's Congress, which approves spending bills. You could argue it's the president, who sets the national agenda, delivers his budget proposals to lawmakers and signs off on the final tab.
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The question of who's to blame for the biggest budget deficits is up for debate, and will ultimately be decided by history.
This article deals solely with the numbers, the size of the biggest deficits in history. These are the 10 biggest budget deficits by raw amount, and they haven't been adjusted for inflation.
The list of the 10 biggest budget deficits uses data from the Congressional Budget Office.
Note: The federal government's fiscal year runs from from Oct. 1 to Sept. 30 of each year.
1. $1.4 Trillion - 2009
The biggest federal deficit on record is $1,412,700,000,000. Republican George W. Bush was president for about a thirds of the 2009 fiscal year, and Democrat Barack Obama took office and was president for the remaining two thirds.
2. $1.3 Trillion - 2011
The second biggest budget deficit in U.S. history was $1,295,600,000,000 and occurred during Obama's presidency.
3. $1.3 Trillion - 2010
The third largest budget deficit is $1,293,500,000,000 and came during Obama's presidency.
4. $1.1 Trillion - 2012
The fourth biggest budget deficit was $1,089,400,000,000 and occurred during Obama's presidency.
5. $459 Billion - 2008
The fifth-largest budget deficit was $458,600,000,000 and occurred during Bush's presidency.
6. $413 Billion - 2004
The sixth-largest budget deficit was $412,700,000,000 and occurred during the Bush administration.
7. $378 Billion - 2003
The seventh-largest budget deficit was $377,600,000,000 and occurred during the Bush presidency.
8. $318 Billion - 2005
The eighth largest budget deficit was $412,700,000,000 and occurred during the Bush administration.
9. $290 Billion - 1993
The ninth-largest annual budget deficit was $255,000,000,000 and occurred during Democratic President Bill Clinton's administration.
10. $269 Billion - 1991
The tenth-largest budget deficit in U.S. history was $269,200,000,000 and occurred during Republican President George H.W. Bush's administration.