MNI POLITICAL RISK ANALYSIS - Japan Election Preview Feb 2026

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Japan holds a snap general election for the lower chamber of the National Diet, the House of Representatives, on Sunday, 8 February. The contest comes as part of an effort by Prime Minister Sanae Takaichi to reinforce her position as president of the governing Liberal Democratic Party (LDP) and take advantage of strong personal approval ratings to secure a majority in the lower House. Since winning the LDP presidency and taking over from Shigeru Ishiba, becoming Japan’s first female prime minister in October 2025, Takaichi has pursued a more robust stance in regional foreign policy and advocated for a “responsible proactive fiscal policy”. Markets will be watching the election closely for signs of whether Takaichi emerges emboldened or chastened from taking such a political gamble.  

In this Election Preview, we outline the electoral system for the House of Representatives and the main parties contesting the vote, put together a chartpack of relevant opinion polling and predictions market odds, provide analysis of potential post-election scenarios with assigned probabilities, an outlook for the election from a financial market and macro perspective, and a round-up of analyst views on the vote.