2024 was a big year for AI regulation worldwide, and 2025 is likely to see more of the same. The first provisions of the European Union’s landmark AI Act will begin coming into effect in the spring, imposing new requirements on developers. Meanwhile, in the U.S., general inaction by the federal government has seen a number of states move to impose their own laws governing AI, with several coming online or being fleshed out in the months to come. Above are some of the most important AI laws to pay attention to in 2025.