40% before any deductions.
"It's true that the statutory tax rate—including state and local taxes—is close to 40 percent, the highest among the developed world. But U.S. companies apply a long list of tax credits, subsidies, loopholes and other giveaways, so most of them pay much less than the top rate. Some, according to an analysis by Citizens for Tax Justice, have figured out how to pay no tax at all.
Total corporate federal taxes fell to about 12 percent of profits from U.S.-based activity in 2011, according to a Congressional Budget Office report. In a separate study, the CBO found that the average tax rate in 2011 among developed countries was 3 percent of gross domestic product—compared with 2.3 percent of GDP in the U.S. "