At the first AI Safety Summit, held at Bletchley Park on 1-2 November 2023, the Bletchley Declaration was signed by 28 countries plus the European Union. The list of attending signatories on the UK government’s published text spans the United States, China, the United Kingdom, India, and many others across multiple continents, with the EU listed alongside the individual nations. New Zealand later joined the commitment in October 2024.