AI Regulation & Policy: chart data from AI Adoption (https://aiadoption.org/ai-regulation-statistics/)

Data from the AI Index Report 2026 (Stanford HAI) and the partners named below. Licence: CC BY-ND 4.0, as for the AI Index.
Each CSV is the data behind one chart. Cite the chart page and its original source.

g20-ai-laws-per-year.csv  G20 countries passed 11 AI-related laws in 2025, down from a high of 16 in 2024
    Source: AI Index; Digital Policy Alert, 2026
    Chart: https://aiadoption.org/data/g20-ai-laws-per-year/
ai-laws-by-g20-country.csv  The US passed 25 AI-related laws in 2016–2025, the most in the G20; South Korea was next with 17
    Source: AI Index; Digital Policy Alert, 2026
    Chart: https://aiadoption.org/data/ai-laws-by-g20-country/
us-state-ai-laws-per-year.csv  US states passed 150 AI-related laws in 2025, up from 132 in 2024 and 9 in 2020
    Source: AI Index, 2026
    Chart: https://aiadoption.org/data/us-state-ai-laws-per-year/
ai-laws-by-us-state.csv  California passed 62 AI-related state laws in 2016–2025, more than twice Maryland, the next state
    Source: AI Index, 2026
    Chart: https://aiadoption.org/data/ai-laws-by-us-state/
us-federal-ai-regulations-per-year.csv  US federal agencies issued 58 AI-related regulations in 2025, one fewer than the 2024 high of 59
    Source: AI Index, 2026
    Chart: https://aiadoption.org/data/us-federal-ai-regulations-per-year/
us-ai-regulations-by-agency.csv  The Executive Office of the President issued 28 AI-related regulations in 2025, up from 5 in 2024
    Source: AI Index, 2026
    Chart: https://aiadoption.org/data/us-ai-regulations-by-agency/
us-congress-ai-hearing-witnesses.csv  102 witnesses appeared at US congressional AI hearings in 2025, 20 times as many as in 2017
    Source: AI Index, 2026
    Chart: https://aiadoption.org/data/us-congress-ai-hearing-witnesses/
us-congress-ai-witnesses-by-sector.csv  Industry supplied 37.3% of witnesses at US congressional AI hearings in 2025, up from 13.0% in 2017–18
    Source: AI Index, 2026
    Chart: https://aiadoption.org/data/us-congress-ai-witnesses-by-sector/
us-congress-ai-witnesses-by-subject.csv  General AI governance drew 113 witnesses to US congressional AI hearings in 2017–2025, the most of any subject
    Source: AI Index, 2026
    Chart: https://aiadoption.org/data/us-congress-ai-witnesses-by-subject/
ai-governance-initiatives-by-country.csv  The US and UK endorsed 7 of 8 major AI governance initiatives since 2019, but not the 2025 Paris statement
    Source: Governing AI for Humanity, United Nations, 2025; AI Action Summit, 2025
    Chart: https://aiadoption.org/data/ai-governance-initiatives-by-country/
data-localisation-measures-by-region.csv  East Asia and the Pacific had 77 data localisation measures by 2024; North America had 3
    Source: Ferracane et al., 2025
    Chart: https://aiadoption.org/data/data-localisation-measures-by-region/
us-public-ai-spending-cumulative.csv  US federal AI spending reached $20.4B over 2013–2024, $15.9B of it through grants
    Source: AI Index, 2026
    Chart: https://aiadoption.org/data/us-public-ai-spending-cumulative/
us-public-ai-spending-by-year.csv  US federal AI grant spending reached $5.05B in 2024, seven times its 2020 level
    Source: AI Index, 2026
    Chart: https://aiadoption.org/data/us-public-ai-spending-by-year/
us-ai-contract-spending-by-state.csv  Virginia received $1.1B of US federal AI contract and OTA spending in 2013–2024, the most of any state
    Source: AI Index, 2026
    Chart: https://aiadoption.org/data/us-ai-contract-spending-by-state/
us-ai-grant-spending-by-state.csv  California received $2.4B in US federal AI grants in 2013–2024, the most of any state
    Source: AI Index, 2026
    Chart: https://aiadoption.org/data/us-ai-grant-spending-by-state/
us-ai-contract-spending-by-agency.csv  The Department of Defense accounted for 74.1% of US federal AI contract and OTA spending in 2024
    Source: AI Index, 2026
    Chart: https://aiadoption.org/data/us-ai-contract-spending-by-agency/
us-ai-grant-spending-by-agency.csv  Health and Human Services provided 41.6% of US federal AI grant spending in 2024, double its 2013 share
    Source: AI Index, 2026
    Chart: https://aiadoption.org/data/us-ai-grant-spending-by-agency/
european-public-ai-contracts-cumulative.csv  European public bodies awarded $3.66B in AI contracts in 2013–2024; the UK accounted for $1.59B
    Source: AI Index, 2026
    Chart: https://aiadoption.org/data/european-public-ai-contracts-cumulative/
european-public-ai-contracts-by-country.csv  The UK awarded 738 public AI contracts in 2013–2024, the most of the European countries tracked
    Source: AI Index, 2026
    Chart: https://aiadoption.org/data/european-public-ai-contracts-by-country/
european-public-ai-contract-median-value.csv  Denmark's median public AI contract was worth $1.07M, about six times the UK's $0.18M
    Source: AI Index, 2026
    Chart: https://aiadoption.org/data/european-public-ai-contract-median-value/
european-public-ai-contracts-by-sector.csv  Government bodies awarded 62.6% of European public AI contract value in 2024; health bodies 13.9%
    Source: AI Index, 2026
    Chart: https://aiadoption.org/data/european-public-ai-contracts-by-sector/
