University of Tokyo

The University of Tokyo (UTokyo, 東京大学, Tōkyō daigaku) is a public research university in Bunkyō, Tokyo, Japan. Founded in 1877 by the merger of several pre-westernisation era institutions such as the Shoheizaka Institute (founded in 1605) and Kaiseijo, it is the nation's oldest modern university. The university consists of 10 faculties, 15 graduate schools, and 11 affiliated research institutes. As of 2023, it has a total of 13,974 undergraduate students and 14,258 graduate students.

The majority of the university's educational and research facilities are concentrated within its three main Tokyo campuses: Hongo, Komaba, and Kashiwa. The University of Tokyo also operates several smaller campuses throughout the Greater Tokyo Area. In addition, the university maintains over 60 facilities and offices across Japan and around the world. The University of Tokyo's total land holdings amount to 326 square kilometres (approximately 80,586 acres or 32,604 hectares).

The University of Tokyo has an extensive network of alumni, faculty members, and researchers. As of 2021, the University of Tokyo's alumni, faculty members and researchers include 17 prime ministers of Japan (out of 64), 18 Nobel Prize laureates, four Pritzker Prize laureates, five astronauts, and a Fields Medalist.

As of November 2023, University of Tokyo alumni held 139 seats in the National Diet of Japan, representing approximately a fifth of the total seats. Eleven out of the fifteen incumbent justices of the Supreme Court were University of Tokyo alumni. Additionally, University of Tokyo alumni have founded some of Japan's largest companies, such as Toyota Motor and Hitachi. As of 2014, University of Tokyo alumni held chief executive positions at 47 of the Nikkei 225 companies, making it the top source of these high-level corporate leaders. This number includes Sony, MUFG, SMBC, Mitsui Corp, Mitsubishi Corp, and Japan Post.