Japan 
Japanese organic chemist and marine biologistBirthdays by Profession
- Association football player (404)
- Actor (255)
- Singer (143)
- Politician (142)
- Seiyū (137)
- Baseball player (123)
- Tarento (61)
- Writer (59)
- Composer (59)
- Film director (51)
- Mangaka (48)
- Model (47)
- Novelist (43)
- Athletics competitor (43)
- Professional wrestler (40)
- Rikishi (39)
- Screenwriter (36)
- Businessperson (33)
- Swimmer (33)
- Military personnel (32)
Birthdays by Region
- Tokyo (345)
- Kanagawa Prefecture (136)
- Ōsaka Prefecture (130)
- Chiba Prefecture (86)
- Kantō region (83)
- Hokkaidō Prefecture (82)
- Hyōgo Prefecture (81)
- Aichi Prefecture (72)
- Shizuoka Prefecture (63)
- Fukuoka Prefecture (61)
- Kyōto Prefecture (56)
- Hiroshima Prefecture (33)
- Nagasaki Prefecture (29)
- Nagano Prefecture (28)
- Miyagi Prefecture (27)
- Gunma Prefecture (25)
- Ehime Prefecture (25)
- Kumamoto Prefecture (24)
- Yamaguchi Prefecture (23)
- Okayama Prefecture (23)
Birthdays by Place
- Tokyo (226)
- Kanagawa Prefecture (53)
- Ōsaka (45)
- Saitama Prefecture (43)
- Ōsaka Prefecture (41)
- Yokohama (39)
- Chiba Prefecture (34)
- Hokkaidō (33)
- Kyoto (30)
- Hyōgo Prefecture (27)
- Fukuoka Prefecture (23)
- Nagoya (23)
- Aichi Prefecture (23)
- Kōbe (23)
- Shizuoka (21)
- Saitama (20)
- Hiroshima (17)
- Nagasaki (16)
- Setagaya-ku (15)
- Sapporo (14)
