Source: The White House Office of Management and Budget
Latest Data: 2021
Frequency: Annual

This line item comes from the White House Office of Management and Budget, which publishes "The President's Budget" annually, a document which includes historical tables. The table reporting Individual Income Taxes is titled "Receipts by Source." 

Source:  The White House Office of Budget and Management Historical Tables, Table 2.1—Receipts by Source: 1934–2024.