GDP comes and goes. Spending sticks. I was talking raw dollars.
Just curious, how did you total "welfare"? What functions, subfunctions from the OMB data did you total? Where did you get figures for canceled debt? Where did you get figures for IMF and World Bank spending from US funds? Did you really gather the data or are you just making a guess?
See table 1.2. Add the "Off-Budget as a Percentage of GDP" to the "On-Budget as a Percentage of GDP".
GDP represents the paycheck that the American people take home. Thus if fed spending was ~22% of GDP during Reagan, then federal spending on average was 22 cents on every dollar earned. I believe for Bush, it has averaged about ~21%.