Tokyo 4th district (東京都第4区 Tōkyō-to dai 4-ku) is a single-member constituency of the House of Representatives, the lower house of the national Diet of Japan. It is located in southern Tokyo city and consists of much of Ōta Ward (Kamata, Ōmori, Haneda.) The seat is held by Masaaki Taira, a member of the Liberal Democratic Party since 2012.
As of September 2022, 425,428 voters were registered in the district.
List of representatives +RepresentativesPartyDatesNotesShoukei AraiIndependent1996–1998Redistricted from the former 2nd district. Died in office.Kensaku MoritaLDP 1998–2000Independent2000Re-elected in 2000.LDP 2000–2003Did not run for re-election.Kazuyoshi NakanishiLDP2003–2005Resigned mid-term.Masaaki TairaLDP2005–2009Re-elected in the Tokyo PR block.Fujita NorihikoDPJ2009–2012Lost re-election.Masaaki TairaLDP2012– presentRe-elected in 2014, 2017, 2021, 2024, 2026 Minister for Digital Transformation (2024–2025)
Election results
References