On June16, 2015, the Congressional Budget Office released its annual Long Term Budget Outlook
for 2015, which projects federal spending and revenue out into the 2080s. As before, the CBO study shows that federal health-care programs will eat the budget, with federal spending exceeding 35 percent GDP by the end of the century while federal revenue stays below 25 percent GDP.
UsGovernmentspending.com has updated its chart of the CBO Long Term Budget Outlook here
. You can download the data and also view CBO Long Term Budget Outlooks going back to 1999.