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Taxation in the United States - Wikipedia
United States - Individual - Taxes on personal income
US Tax Data Explorer | Taxes in the United States
Summary of the Latest Federal Income Tax Data, 2022 Update
Data, Statistics and Reports on Taxes in the U.S. - USAFacts
Statistics | Internal Revenue Service
How do federal income tax rates work? | Tax Policy Center
Income tax in the United States - Wikipedia
Federal Income Tax - Investopedia