During the same time, federal revenue increased by 44 percent.

The federal revenue needed just to pay the interest will be enormous.

The loss is expected to be between $800 billion and $1.5 trillion in federal revenues over 10 years.

The estate tax bill would have reduced federal revenue by $104 billion over the first 10 years.

By 2052, without reform, these programs will consume all federal revenues.

The payroll tax now provides a third of federal revenues.

Tariffs were the main source of all Federal revenue from 1790 to 1914.

Tariff rates from 1792 to 1860 were usually about 80-95% of all federal revenue.

In 2004, federal revenues were 5.6 percent lower than in 2001.

Current "interest" on the national debt is perhaps about thirty percent of federal revenues or a bit less.