ENDO Masataka is a Japanese political scientist. He completed his PhD in Politics at the Graduate School of Political Science, Waseda University. Currently he is a part-time lecturer at Waseda University, Utsunomiya University and Toho University. His areas of specialization include political science, Japanese political history and the history of East Asian international relations. He is a leading analyst of the history of Japan’s household registration system and a winner of the Suntory Prize for Social Sciences and Humanities in 2017 for his work in this area.