But in theory, infrastructure investments benefit taxpayers indirectly by increasing the nation's wealth.
The other half doesn't pay taxes because of special provisions in the tax code that benefit certain taxpayers, notably the elderly and working families with children.
While the plans benefit high-income taxpayers the most, it appears that they are being used widely throughout the population.
He plans to set out a detailed proposal on Tuesday that his advisers said would benefit lower- and middle-income taxpayers.
The central element of the Bush plan was eliminating the tax on stock dividends, which would benefit relatively few lower- and middle-income taxpayers.
Some Democratic critics of the cut have contended that it would primarily benefit wealthy taxpayers.
They also argue that a reduction in the tax rate would benefit wealthy taxpayers almost entirely.
Another misconception is that the new health savings accounts enacted by Congress last year will benefit relatively few taxpayers.
Radical reform will benefit consumers, taxpayers and most farmers.
The Trust is examining the potential of new forms of care that are intended to benefit patients and taxpayers.