AI Investment, in Five Numbers and Caveats

AI venture funding: about $50B (2023), $100.4B (2024); 2025 estimates split between $225.8B and $258.7B.

Stanford's 2025 private-AI series ranks the U.S. ahead of China and the U.K.; it does not establish rankings across 2020–25.

U.S. nondefense AI R&D: FY2023 actual $3.122B, FY2024 enacted $2.978B, FY2025 request $3.316B; these are different budget statuses.

South Korea announced a KRW 100 trillion AI fund in 2025; it is a commitment, not annual spending.