Year
1960
1970
1980
1990
2000
2010
U.S. national debt (in U.S. dollars)
written in standard form
$286,330,760,848.37
$370,918,706,949.93
$907,701,000,000.00
$3,233,313,451,777.25
$5,674,178,209,886.86
$13,561,623,030,891.79
U.S. national debt (in U.S. dollars)
written in scientific notation
$2.863-10
$3.709 10
$9.077 10
$3.2333 10
$5.6742 10
$1.35616-10
