Japan 
Olympic swimmerBirthdays by Profession
- Actor (9)
- Politician (8)
- Association football player (7)
- Athletics competitor (3)
- Baseball player (3)
- Singer (3)
- Writer (2)
- Swimmer (2)
- Journalist (2)
- Motorcycle racer (2)
- Samurai (2)
- Tarento (2)
- Choreographer (2)
- Dancer (2)
- Seiyū (2)
- Professional wrestler (2)
- Motivational speaker (1)
- Novelist (1)
- Sport cyclist (1)
- Badminton player (1)
Birthdays by Region
- Tokyo (10)
- Wakayama Prefecture (4)
- Ōsaka Prefecture (4)
- Kantō region (3)
- Hokkaidō Prefecture (3)
- Hyōgo Prefecture (3)
- Yamaguchi Prefecture (2)
- Nagasaki Prefecture (2)
- Miyagi Prefecture (1)
- Nara Prefecture (1)
- Tottori Prefecture (1)
- Chiba Prefecture (1)
- Kumamoto Prefecture (1)
- Nagano Prefecture (1)
- Kanagawa Prefecture (1)
- Fukuoka Prefecture (1)
- Ibaraki Prefecture (1)
- Akita Prefecture (1)
- Aichi Prefecture (1)
- Shiga Prefecture (1)
