Who is the longest serving Prime Minister of Japan?

1.	Who is the longest serving Prime Minister of Japan?
Answer» Prime Minister Abe Shinzo became the longest-serving prime minister in the history of Japan's constitutional government as on November 20, 2019. He has served 2,887 days so far. He surpassed the previous record held by Katsura Taro with a total of 2,886 days in office.

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