Japan 
Japanese swimmerBirthdays by Profession
- Actor (15)
- Association football player (11)
- Seiyū (8)
- Singer (7)
- Writer (5)
- Athletics competitor (5)
- Tarento (4)
- Novelist (3)
- Judoka (3)
- Politician (3)
- Baseball player (3)
- Professional wrestler (3)
- Screenwriter (3)
- Model (2)
- Mangaka (2)
- Dancer (2)
- Swimmer (2)
- Translator (2)
- Synchronized swimmer (2)
- Marathon runner (1)
Birthdays by Region
- Tokyo (10)
- Kanagawa Prefecture (7)
- Ōsaka Prefecture (5)
- Hyōgo Prefecture (5)
- Aichi Prefecture (4)
- Hokkaidō Prefecture (4)
- Chiba Prefecture (3)
- Okayama Prefecture (3)
- Shizuoka Prefecture (2)
- Fukuoka Prefecture (2)
- Gunma Prefecture (1)
- Niigata Prefecture (1)
- Nagano Prefecture (1)
- Yamaguchi Prefecture (1)
- Toyama Prefecture (1)
- Wakayama Prefecture (1)
- Ehime Prefecture (1)
- Fukushima Prefecture (1)
- Shiga Prefecture (1)
- Okinawa Prefecture (1)
Birthdays by Place
- Tokyo (7)
- Kanagawa Prefecture (4)
- Hyōgo Prefecture (3)
- Nagoya (3)
- Yokohama (2)
- Ōsaka Prefecture (2)
- Machida (2)
- Tokushima Prefecture (2)
- Tsubame (1)
- Kashiwa (1)
- Naha (1)
- Kusatsu (1)
- Yamaguchi Prefecture (1)
- Saga Prefecture (1)
- Kadoma (1)
- Nagano (1)
- Nishinomiya (1)
- Ōsaka (1)
- Odawara (1)
- Kitakyūshū (1)
