If Tax Revenue Is Held At Historical Levels, Total Spending Could Reach 67 Percent of GDP
Historically, tax revenues have hovered around 18.4 percent of GDP. If taxes are kept at these levels, spending from the three major entitlements, Social Security, Medicare, and Medicaid, will push spending levels to unsustainable heights, crowding out all other programs by 2052.
Federal Spending and Revenue as a Percentage of GDP