National Center for Science and Engineering Statistics | NSF 26-309 Table 20. Federal budget authority for Income security (600) R&D and R&D plant: FYs 2024–26 (Millions of dollars and percent change) Budget function and agency 2024 actual ($millions) 2025 preliminarya ($millions) 2026 proposed ($millions) 2024–25 (% change) 2025–26 (% change) R&D and R&D plant 95 94 95 -1.1 1.1 Other income security (609) 95 94 95 -1.1 1.1 Department of Health and Human Services 4 3 4 -25.0 33.3 Administration for Children and Families 4 3 4 -25.0 33.3 Social Security Administration 91 91 91 0.0 0.0 R&D 95 94 95 -1.1 1.1 Other income security (609) 95 94 95 -1.1 1.1 Department of Health and Human Services 4 3 4 -25.0 33.3 Administration for Children and Families 4 3 4 -25.0 33.3 Social Security Administration 91 91 91 0.0 0.0 a The preliminary data available from the agencies for FY 2025 at the time of this report reflect mainly the annualized continuing resolution funding levels that existed through early March 2025, which were later extended by a continuing resolution to the end of FY 2025. Note(s): Detail may not add to total because of rounding. Percent change is calculated on unrounded data. Source(s): Agencies' submissions to the Office of Management and Budget (OMB) per MAX Schedule C, agencies' budget justification documents, supplemental data obtained from agencies' budget offices, and Executive Office of the President, OMB, Budget of the United States Government, Fiscal Year 2026.