There are three levels of governments in the US: federal, state, and local.The following table shows current revenue for federal, state and local governments, and also total overall revenue.
You can look at details of the data here. You can look at
deficits here and debt here. You can create custom charts
here and download data here.
You can look at the federal budget here. You can take a course in taxes here.
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.