Japan 
Japanese swimmerBirthdays by Profession
- Association football player (9)
- Actor (8)
- Singer (8)
- Politician (6)
- Seiyū (6)
- Handball player (3)
- Baseball player (3)
- Professional wrestler (3)
- Songwriter (2)
- Rower (2)
- Film producer (2)
- Swimmer (2)
- Basketball player (2)
- Journalist (2)
- Mixed martial artist (2)
- Translator (2)
- Judoka (2)
- Guitarist (2)
- Singer-songwriter (2)
- Seismologist (1)
Birthdays by Region
- Tokyo (11)
- Kanagawa Prefecture (10)
- Fukuoka Prefecture (5)
- Kyōto Prefecture (4)
- Ōsaka Prefecture (3)
- Aichi Prefecture (3)
- Hokkaidō Prefecture (3)
- Okinawa Prefecture (2)
- Okayama Prefecture (2)
- Nagasaki Prefecture (2)
- Hyōgo Prefecture (2)
- Gifu Prefecture (2)
- Gunma Prefecture (1)
- Fukui Prefecture (1)
- Toyama Prefecture (1)
- Tokyo Prefecture (1)
- Kantō region (1)
- Kumamoto Prefecture (1)
- Fukushima Prefecture (1)
