As of January 2025, Tsutomu Hata was the shortest-serving Japanese prime minister inaugurated since 1989, spending a total of only ** days in the office. Following a vote of non-confidence against the cabinet, the whole cabinet resigned with Hata at the end of June 1994.
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Prime Minister's Office of Japan. (January 9, 2025). Shortest term lengths of prime ministers inaugurated since the Heisei era in Japan as of 2025 (days in office) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 29, 2026, from /statistics/1262332/japan-prime-ministers-shortest-tenure-since-heisei/
Prime Minister's Office of Japan. "Shortest term lengths of prime ministers inaugurated since the Heisei era in Japan as of 2025 (days in office)." Chart. January 9, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 29, 2026. /statistics/1262332/japan-prime-ministers-shortest-tenure-since-heisei/
Prime Minister's Office of Japan. (2025). Shortest term lengths of prime ministers inaugurated since the Heisei era in Japan as of 2025 (days in office). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 29, 2026. /statistics/1262332/japan-prime-ministers-shortest-tenure-since-heisei/
Prime Minister's Office of Japan. "Shortest Term Lengths of Prime Ministers Inaugurated since The Heisei Era in Japan as of 2025 (Days in Office)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 9 Jan 2025, /statistics/1262332/japan-prime-ministers-shortest-tenure-since-heisei/
Prime Minister's Office of Japan, Shortest term lengths of prime ministers inaugurated since the Heisei era in Japan as of 2025 (days in office) ÌÇÐÄÆƽâ°æ, /statistics/1262332/japan-prime-ministers-shortest-tenure-since-heisei/ (last visited July 29, 2026)
Shortest term lengths of prime ministers inaugurated since the Heisei era in Japan as of 2025 (days in office) [Graph], Prime Minister's Office of Japan, January 9, 2025. [Online]. Available: /statistics/1262332/japan-prime-ministers-shortest-tenure-since-heisei/
