Japan 
Japanese swimmerBirthdays by Profession
- Association football player (12)
- Actor (8)
- Baseball player (5)
- Singer (4)
- Painter (4)
- Seiyū (4)
- Screenwriter (4)
- Writer (4)
- Novelist (3)
- Politician (3)
- Swimmer (2)
- Ski jumper (2)
- Video game developer (2)
- Athletics competitor (2)
- Film director (2)
- Composer (2)
- Ice hockey player (2)
- Physicist (1)
- Singer-songwriter (1)
- Sport cyclist (1)
Birthdays by Region
- Tokyo (11)
- Hokkaidō Prefecture (6)
- Fukuoka Prefecture (4)
- Aichi Prefecture (4)
- Kanagawa Prefecture (4)
- Kyōto Prefecture (3)
- Toyama Prefecture (2)
- Ishikawa Prefecture (2)
- Gunma Prefecture (2)
- Fukushima Prefecture (2)
- Mie Prefecture (2)
- Chiba Prefecture (2)
- Niigata Prefecture (2)
- Kantō region (2)
- Nagano Prefecture (1)
- Hiroshima Prefecture (1)
- Ōita Prefecture (1)
- Hyōgo Prefecture (1)
- Shiga Prefecture (1)
- Wakayama Prefecture (1)
Birthdays by Place
- Tokyo (9)
- Sapporo (2)
- Kanagawa Prefecture (2)
- Kitakyūshū (2)
- Kyoto (2)
- Toyama Prefecture (2)
- Nagoya (2)
- Hokkaidō (2)
- Fukushima Prefecture (2)
- Niigata Prefecture (1)
- Wakayama (1)
- Katsuyama (1)
- Suita (1)
- Aichi Prefecture (1)
- Ichikawa (1)
- Bingo Province (1)
- Yokohama (1)
- Tokushima (1)
- Kanazawa (1)
- Gunma Prefecture (1)
