Fiscal Year 2025 : Table 2.3 - Receipts by Source as Percentages of GDP: 1934-2029
United States. Office of Management and Budget. "Fiscal Year 2025 : Table 2.3 - Receipts by Source as Percentages of GDP: 1934-2029," Historical Tables, Budget of the United States Government (March 11, 2024). https://fraser.stlouisfed.org/title/383/item/721015/content/xlsx/BUDGET-2025-TAB-3-3, accessed on April 21, 2026.
United States Government Publishing Office