Chart of historical corporate income tax revenues as share of GDP.
Number of alternative minimum tax (AMT) returns and details for active corporations, by industry.
Number of tax returns of active corporations and breakdowns of assets, liabilities, credits, receipts, and deductions, 1990 to 2013.
Number of returns, U.S. and foreign-source income and taxes, foreign tax credit, by industry.
Historical chart of federal revenues by type of tax: individual, social insurance, corporate or excise.
Number of corporations (and their qualified expenses, cost of supplies, wages for qualified services) claiming a credit for increasing research activities, by industry sector, 2003 to 2013.
percentage of state revenues from each source.