Japan 
Japanese swimmerBirthdays by Profession
- Association football player (17)
- Baseball player (7)
- Novelist (5)
- Seiyū (5)
- Politician (5)
- Writer (4)
- Actor (4)
- Athletics competitor (3)
- Singer (2)
- Composer (2)
- Swimmer (2)
- Military personnel (1)
- Golfer (1)
- Secretary (1)
- University teacher (1)
- Diplomat (1)
- Aristocrat (1)
- Cashier (1)
- Sinologist (1)
- Physician (1)
Birthdays by Region
- Tokyo (12)
- Ōsaka Prefecture (5)
- Hyōgo Prefecture (4)
- Kyōto Prefecture (4)
- Hokkaidō Prefecture (3)
- Okinawa Prefecture (3)
- Chiba Prefecture (3)
- Kantō region (2)
- Gunma Prefecture (2)
- Ehime Prefecture (2)
- Wakayama Prefecture (2)
- Shiga Prefecture (2)
- Nagasaki Prefecture (1)
- Aomori Prefecture (1)
- Kumamoto Prefecture (1)
- Shizuoka Prefecture (1)
- Okayama Prefecture (1)
- Nagano Prefecture (1)
- Aichi Prefecture (1)
- Fukuoka Prefecture (1)
Birthdays by Place
- Tokyo (9)
- Chiba Prefecture (2)
- Hyōgo Prefecture (2)
- Shiga Prefecture (2)
- Kyoto (2)
- Okinawa Prefecture (2)
- Ōsaka (2)
- Ōsaka Prefecture (2)
- Hokkaidō (2)
- Kita-ku (1)
- Yokohama (1)
- Noda (1)
- Shinjuku-ku (1)
- Kōbe (1)
- Nagasaki (1)
- Kyōto Prefecture (1)
- Kadoma (1)
- Niihama (1)
- Saitama (1)
- Tochigi Prefecture (1)
