Japan 
Japanese stem-cell biologistBirthdays by Profession
- Actor (321)
- Association football player (220)
- Singer (174)
- Seiyū (164)
- Politician (122)
- Writer (82)
- Composer (78)
- Novelist (73)
- Film director (69)
- Mangaka (67)
- Baseball player (65)
- Model (60)
- Tarento (57)
- Screenwriter (57)
- Samurai (57)
- Military personnel (55)
- Rikishi (42)
- Businessperson (40)
- Professional wrestler (40)
- Athletics competitor (39)
Birthdays by Region
- Tokyo (370)
- Ōsaka Prefecture (140)
- Kanagawa Prefecture (129)
- Hokkaidō Prefecture (83)
- Hyōgo Prefecture (82)
- Aichi Prefecture (80)
- Kantō region (71)
- Kyōto Prefecture (63)
- Fukuoka Prefecture (62)
- Chiba Prefecture (49)
- Shizuoka Prefecture (45)
- Hiroshima Prefecture (44)
- Nagano Prefecture (42)
- Kumamoto Prefecture (27)
- Okayama Prefecture (26)
- Fukushima Prefecture (25)
- Miyagi Prefecture (25)
- Okinawa Prefecture (23)
- Ōita Prefecture (23)
- Niigata Prefecture (21)
Birthdays by Place
- Tokyo (238)
- Ōsaka (60)
- Kanagawa Prefecture (50)
- Ōsaka Prefecture (45)
- Kyoto (37)
- Yokohama (35)
- Hokkaidō (32)
- Hyōgo Prefecture (30)
- Nagoya (28)
- Saitama Prefecture (28)
- Chiba Prefecture (20)
- Hiroshima (20)
- Aichi Prefecture (19)
- Kōbe (18)
- Tokyo (17)
- Fukuoka (16)
- Sendai (16)
- Edo (14)
- Shizuoka Prefecture (14)
- Nagano (14)
