Japanese Prime Minister Shigeru Ishiba officially resigned on Sunday, September 7, following significant electoral setbacks for the Liberal Democratic Party (LDP His decision comes after the ruling coalition lost its majority in the lower house of parliament in the October 2024 general election, and subsequently in the upper house in the July 2025 election. The resignation introduces a period of political uncertainty and a leadership contest, which could impact the government’s ability to address key policy challenges, including economic issues and foreign relations.