Japan 
Japanese swimmerBirthdays by Profession
- Actor (13)
- Politician (9)
- Seiyū (9)
- Association football player (8)
- Singer (7)
- Writer (6)
- Novelist (6)
- Lyricist (4)
- Screenwriter (4)
- Poet (4)
- Film director (4)
- Mangaka (4)
- Baseball player (3)
- Military personnel (3)
- Tarento (3)
- Singer-songwriter (3)
- Television actor (2)
- Sport cyclist (2)
- Boxer (2)
- Painter (2)
Birthdays by Region
- Tokyo (14)
- Kanagawa Prefecture (6)
- Chiba Prefecture (6)
- Fukuoka Prefecture (5)
- Hyōgo Prefecture (5)
- Hiroshima Prefecture (4)
- Kantō region (4)
- Hokkaidō Prefecture (3)
- Fukushima Prefecture (3)
- Kyōto Prefecture (2)
- Kumamoto Prefecture (2)
- Aichi Prefecture (2)
- Akita Prefecture (2)
- Miyagi Prefecture (2)
- Ōita Prefecture (2)
- Ōsaka Prefecture (2)
- Tochigi Prefecture (2)
- Nagano Prefecture (1)
- Shikoku (1)
- Iwate Prefecture (1)
Birthdays by Place
- Tokyo (11)
- Chiba Prefecture (4)
- Hiroshima (3)
- Saitama Prefecture (3)
- Kōbe (3)
- Kumamoto Prefecture (2)
- Nagoya (2)
- Ōsaka Prefecture (2)
- Yokohama (2)
- Sakai (1)
- Aizuwakamatsu (1)
- Kitakyūshū (1)
- Akita Prefecture (1)
- Tokushima (1)
- Morioka (1)
- Minokamo (1)
- Seya-ku (1)
- Yotsukaidō (1)
- Hiroshima Prefecture (1)
- Owari Province (1)
