Japan 
Japanese swimmerBirthdays by Profession
- Actor (13)
- Association football player (11)
- Seiyū (9)
- Politician (6)
- Baseball player (5)
- Singer (5)
- Professional wrestler (4)
- Screenwriter (3)
- Film director (3)
- Television actor (3)
- Mixed martial artist (3)
- Businessperson (3)
- Physician (2)
- Singer-songwriter (2)
- Figure skater (2)
- Athletics competitor (2)
- Child actor (2)
- Motorcycle racer (2)
- Swimmer (2)
- Rikishi (2)
Birthdays by Region
- Tokyo (15)
- Kanagawa Prefecture (7)
- Hyōgo Prefecture (5)
- Ōsaka Prefecture (5)
- Gifu Prefecture (4)
- Tochigi Prefecture (3)
- Aichi Prefecture (3)
- Kyōto Prefecture (3)
- Hokkaidō Prefecture (3)
- Miyagi Prefecture (3)
- Shizuoka Prefecture (2)
- Kantō region (2)
- Wakayama Prefecture (1)
- Aomori Prefecture (1)
- Yamanashi Prefecture (1)
- Nagano Prefecture (1)
- Mie Prefecture (1)
- Yamaguchi Prefecture (1)
- Yamagata Prefecture (1)
- Akita Prefecture (1)
