Under Japan’s 2023 Group of Seven (G7) presidency, Think7 (T7), the think tank engagement group of the G7, has developed research-based policy recommendations for the G7 and partners guided by the T7 Japan theme Addressing Crises, Reigniting Sustainable Development, Bridging the G7 and G20. The T7 Japan Communiqué outlines these recommendations formulated by global experts to support discussions at the G7 Hiroshima Summit and beyond. They draw upon the G7’s knowledge infrastructure enhanced by the strengthening of the T7 under Germany’s 2022 G7 presidency.