POLITICIAN
Shinjirō Koizumi
1981 - Today

Shinjirō Koizumi
Shinjirō Koizumi (Japanese: 小泉 進次郎, Hepburn: Koizumi Shinjirō; born 14 April 1981) is a Japanese politician serving as the Minister of Defense since October 2025. He previously served as the Minister of the Environment from September 2019 to October 2021 and Minister of Agriculture, Forestry and Fisheries from May to October 2025. He has also served as a Member of the House of Representatives for the Liberal Democratic Party, representing Kanagawa since 2009. He is the second son of former Prime Minister Junichiro Koizumi and the younger brother of actor Kotaro Koizumi. Read more on Wikipedia
His biography is available in 20 different languages on Wikipedia (up from 17 in 2024). Shinjirō Koizumi is the 18,117th most popular politician (up from 18,396th in 2024), the 2,419th most popular biography from Japan (down from 2,252nd in 2019) and the 357th most popular Japanese Politician.
Memorability Metrics
Page views of Shinjirō Koizumi by language
Among POLITICIANS
Among politicians, Shinjirō Koizumi ranks 18,117 out of 19,576. Before him are Saleh Ali al-Sammad, Jens Spahn, Eleanor Holmes Norton, Kuldip Nayar, Eliot Spitzer, and Sharice Davids. After him are Anders Lange, Jessika Roswall, Robert Kaliňák, Deval Patrick, Gaspar Llamazares, and Aysen Nikolayev.
Most Popular Politicians in Wikipedia
Go to all RankingsSaleh Ali al-Sammad
1979 - 2018
HPI: 48.14
Rank: 18,118
Jens Spahn
1980 - Present
HPI: 48.13
Rank: 18,119
Eleanor Holmes Norton
1937 - Present
HPI: 48.13
Rank: 18,120
Kuldip Nayar
1923 - 2018
HPI: 48.13
Rank: 18,121
Eliot Spitzer
1959 - Present
HPI: 48.13
Rank: 18,122
Sharice Davids
1980 - Present
HPI: 48.12
Rank: 18,123
Shinjirō Koizumi
1981 - Present
HPI: 48.12
Rank: 18,124
Anders Lange
1904 - 1974
HPI: 48.11
Rank: 18,125
Jessika Roswall
1972 - Present
HPI: 48.11
Rank: 18,126
Robert Kaliňák
1971 - Present
HPI: 48.11
Rank: 18,127
Deval Patrick
1956 - Present
HPI: 48.10
Rank: 18,128
Gaspar Llamazares
1957 - Present
HPI: 48.10
Rank: 18,129
Aysen Nikolayev
1972 - Present
HPI: 48.09
Rank: 18,130
Contemporaries
Among people born in 1981, Shinjirō Koizumi ranks 409. Before him are Craig David, Shinya Tokuni, Michael Maze, Robert de Pinho de Souza, Dong Hyun Kim, and Abigail Spencer. After him are Roman Shirokov, Lee Won-hee, Ross Marquand, Grand Duke George Mikhailovich of Russia, Yuki Abe, and Marius Stankevičius.
Others Born in 1981
Go to all RankingsCraig David
SINGER
1981 - Present
HPI: 48.22
Rank: 403
Shinya Tokuni
SOCCER PLAYER
1981 - Present
HPI: 48.20
Rank: 404
Michael Maze
TABLE TENNIS PLAYER
1981 - Present
HPI: 48.18
Rank: 405
Robert de Pinho de Souza
SOCCER PLAYER
1981 - Present
HPI: 48.18
Rank: 406
Dong Hyun Kim
ATHLETE
1981 - Present
HPI: 48.15
Rank: 407
Abigail Spencer
ACTOR
1981 - Present
HPI: 48.15
Rank: 408
Shinjirō Koizumi
POLITICIAN
1981 - Present
HPI: 48.12
Rank: 409
Roman Shirokov
SOCCER PLAYER
1981 - Present
HPI: 48.10
Rank: 410
Lee Won-hee
WRESTLER
1981 - Present
HPI: 48.09
Rank: 411
Ross Marquand
ACTOR
1981 - Present
HPI: 48.08
Rank: 412
Grand Duke George Mikhailovich of Russia
NOBLEMAN
1981 - Present
HPI: 48.03
Rank: 413
Yuki Abe
SOCCER PLAYER
1981 - Present
HPI: 48.03
Rank: 414
Marius Stankevičius
SOCCER PLAYER
1981 - Present
HPI: 48.02
Rank: 415
In Japan
Among people born in Japan, Shinjirō Koizumi ranks 2,419 out of 6,245. Before him are Shinji Morita (1987), Tsukasa Aoi (1990), Naoki Hattori (1966), Takashi Hirano (1974), Ayase Ueda (1998), and Yuko Morimoto (1974). After him are Saori Hayami (1991), Yukie Nakama (1979), Erika Sawajiri (1986), Miran Kabe (1992), Takuya Yamamoto (1986), and Yoshitsugu Matsuoka (1986).
Others born in Japan
Go to all RankingsShinji Morita
SOCCER PLAYER
1987 - Present
HPI: 48.19
Rank: 2,413
Tsukasa Aoi
ACTOR
1990 - Present
HPI: 48.16
Rank: 2,414
Naoki Hattori
ENGINEER
1966 - Present
HPI: 48.16
Rank: 2,415
Takashi Hirano
SOCCER PLAYER
1974 - Present
HPI: 48.15
Rank: 2,416
Ayase Ueda
SOCCER PLAYER
1998 - Present
HPI: 48.15
Rank: 2,417
Yuko Morimoto
SOCCER PLAYER
1974 - Present
HPI: 48.14
Rank: 2,418
Shinjirō Koizumi
POLITICIAN
1981 - Present
HPI: 48.12
Rank: 2,419
Saori Hayami
ACTOR
1991 - Present
HPI: 48.12
Rank: 2,420
Yukie Nakama
ACTOR
1979 - Present
HPI: 48.12
Rank: 2,421
Erika Sawajiri
ACTOR
1986 - Present
HPI: 48.10
Rank: 2,422
Miran Kabe
SOCCER PLAYER
1992 - Present
HPI: 48.10
Rank: 2,423
Takuya Yamamoto
SOCCER PLAYER
1986 - Present
HPI: 48.10
Rank: 2,424
Yoshitsugu Matsuoka
ACTOR
1986 - Present
HPI: 48.09
Rank: 2,425
Among POLITICIANS In Japan
Among politicians born in Japan, Shinjirō Koizumi ranks 357. Before him are Yukio Edano (1964), Renhō (1967), Seiko Noda (1960), Itsunori Onodera (1960), Hirofumi Yoshimura (1975), and Tōru Hashimoto (1969). After him are Seiko Hashimoto (1964), Taro Yamamoto (1974), Kenji Ogiwara (1969), Joe Lombardo (1962), Kōichirō Genba (1964), and Princess Yōko of Mikasa (1983).
Yukio Edano
1964 - Present
HPI: 50.47
Rank: 351
Renhō
1967 - Present
HPI: 49.75
Rank: 352
Seiko Noda
1960 - Present
HPI: 49.54
Rank: 353
Itsunori Onodera
1960 - Present
HPI: 49.35
Rank: 354
Hirofumi Yoshimura
1975 - Present
HPI: 48.91
Rank: 355
Tōru Hashimoto
1969 - Present
HPI: 48.75
Rank: 356
Shinjirō Koizumi
1981 - Present
HPI: 48.12
Rank: 357
Seiko Hashimoto
1964 - Present
HPI: 47.09
Rank: 358
Taro Yamamoto
1974 - Present
HPI: 46.54
Rank: 359
Kenji Ogiwara
1969 - Present
HPI: 45.25
Rank: 360
Joe Lombardo
1962 - Present
HPI: 45.03
Rank: 361
Kōichirō Genba
1964 - Present
HPI: 44.73
Rank: 362
Princess Yōko of Mikasa
1983 - Present
HPI: 44.61
Rank: 363
















































