DEFICIT (on-budget)

FEDERAL BUDGET SURPLUSES AND DEFICITS AS A PERCENTAGE OF GDP
   
Democratic Presidents’ deficits averaged 1.77% of GDP
    Republican Presidents’ deficits averaged 3.42% of GDP
    Bush II Administration’s deficit is currently 3.3% of GDP.
    Total Democratic Budget Deficits: $1283.8 billion
    Total Republican Budget Deficits: $5487.4 billion
    Bush II Administration’s Budget Deficit is currently $2727.7 billion

Source: 1962-2007: Congressional Budget Office: http://www.cbo.gov/budget/data/historical.pdf

DEFICIT (total)

FEDERAL BUDGET SURPLUSES AND DEFICITS AS A PERCENTAGE OF GDP
   
Democratic Presidents’ deficits averaged 1.2% of GDP
    Republican Presidents’
deficits averaged 2% of GDP
    Bush II Administration’s
deficit is currently estimated to be at least 1.86% of GDP
    Total Democratic Budget Deficits: $625.1 billion
    Total Republican
Budget Deficits: $4040.7 billion
    Bush II Administration’s
Budget Deficit is currently estimated at $1548.4 billion

For more detailed information, click here.

Source: 1945-1954: Statistical Abstract of the United States [SA] 1954, t. 406; 1955-1958: SA 1960, t. 470; 1959-1961: SA 1965, t. 526;

1964-2007: CBO Historical Budget Data: http://www.cbo.gov/budget/data/historical.pdf