Japan 
Japanese swimmerBirthdays by Profession
- Association football player (21)
- Politician (8)
- Association football manager (4)
- Baseball player (3)
- Rower (2)
- Mixed martial artist (2)
- Biathlete (2)
- Mangaka (2)
- Aikidoka (2)
- Writer (2)
- Military personnel (2)
- Swimmer (2)
- Illustrator (2)
- Speed skater (2)
- Actor (2)
- Boxer (2)
- University teacher (2)
- Basketball player (2)
- Professional wrestler (2)
- Owarai tarento (2)
Birthdays by Region
- Tokyo (19)
- Hokkaidō Prefecture (9)
- Chiba Prefecture (4)
- Kyōto Prefecture (3)
- Kanagawa Prefecture (3)
- Hyōgo Prefecture (3)
- Tochigi Prefecture (3)
- Ōsaka Prefecture (3)
- Nagasaki Prefecture (2)
- Shizuoka Prefecture (2)
- Kumamoto Prefecture (2)
- Niigata Prefecture (2)
- Hiroshima Prefecture (1)
- Miyagi Prefecture (1)
- Aomori Prefecture (1)
- Ishikawa Prefecture (1)
- Okayama Prefecture (1)
- Wakayama Prefecture (1)
- Fukushima Prefecture (1)
- Okinawa Prefecture (1)
