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Tax year 2023 · IRS total individual income tax · excludes dependent returns
IRS total individual income tax
Groups do not overlap. Average rates divide tax by AGI; they are not marginal tax brackets. Published amounts are sample estimates.
Share of total individual income tax · 2001–2023
| Tax year | Income tax (USD) | Share of income tax | Share of AGI | Average tax / AGI |
|---|---|---|---|---|
| 2001 | 293,968,000,000 | 33.2% | 17.4% | 27.6% |
| 2002 | 262,820,000,000 | 33.1% | 16.1% | 27.4% |
| 2003 | 251,146,000,000 | 33.7% | 16.7% | 24.4% |
| 2004 | 300,802,000,000 | 36.3% | 19.0% | 23.5% |
| 2005 | 361,264,000,000 | 38.8% | 21.2% | 23.1% |
| 2006 | 401,610,000,000 | 39.4% | 22.1% | 22.8% |
| 2007 | 442,633,000,000 | 39.8% | 22.9% | 22.5% |
| 2008 | 385,857,000,000 | 37.5% | 20.2% | 23.3% |
| 2009 | 313,826,000,000 | 36.3% | 17.2% | 24.1% |
| 2010 | 354,810,000,000 | 37.4% | 18.9% | 23.4% |
| 2011 | 365,518,000,000 | 35.1% | 18.7% | 23.5% |
| 2012 | 451,328,000,000 | 38.1% | 21.9% | 22.8% |
| 2013 | 465,705,000,000 | 37.8% | 19.0% | 27.1% |
| 2014 | 542,640,000,000 | 39.5% | 20.6% | 27.2% |
| 2015 | 567,697,000,000 | 39.0% | 20.7% | 27.1% |
| 2016 | 538,257,000,000 | 37.3% | 19.7% | 26.9% |
| 2017 | 615,979,000,000 | 38.5% | 21.0% | 26.8% |
| 2018 | 615,716,000,000 | 40.1% | 20.9% | 25.4% |
| 2019 | 612,027,000,000 | 38.8% | 20.1% | 25.6% |
| 2020 | 722,732,000,000 | 42.3% | 22.2% | 26.0% |
| 2021 | 1,004,063,000,000 | 45.8% | 26.3% | 25.9% |
| 2022 | 863,631,000,000 | 40.4% | 22.4% | 26.1% |
| 2023 | 823,411,000,000 | 38.4% | 20.6% | 26.3% |
Source: IRS Table 4.1, tax years 2001–2023 · Published March 2026. IRS sample estimates; excludes dependent returns. Total income tax includes net investment income tax, excludes refundable portions of credits, payroll, state and local taxes. AGI is not wealth.
The top 1% of returns by adjusted gross income accounted for approximately 38.4% of IRS total individual income tax in tax year 2023. This excludes dependent returns and is not a share of all federal, state and local taxes.
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