Japan 
Japanese nanotechnologistBirthdays by Profession
- Association football player (127)
- Actor (42)
- Baseball player (36)
- Seiyū (34)
- Politician (26)
- Singer (20)
- Writer (18)
- Composer (18)
- Novelist (15)
- Mangaka (15)
- Basketball player (11)
- Rikishi (10)
- Athletics competitor (10)
- Military personnel (9)
- Professional wrestler (9)
- Film director (8)
- Swimmer (8)
- Samurai (8)
- Ice hockey player (8)
- Shogi player (7)
Birthdays by Region
- Tokyo (75)
- Ōsaka Prefecture (46)
- Hokkaidō Prefecture (35)
- Kanagawa Prefecture (29)
- Kantō region (19)
- Shizuoka Prefecture (18)
- Fukuoka Prefecture (17)
- Hyōgo Prefecture (16)
- Chiba Prefecture (14)
- Kyōto Prefecture (13)
- Tochigi Prefecture (11)
- Ibaraki Prefecture (10)
- Nagano Prefecture (9)
- Aichi Prefecture (8)
- Okayama Prefecture (8)
- Hiroshima Prefecture (7)
- Okinawa Prefecture (7)
- Gunma Prefecture (6)
- Nara Prefecture (6)
- Kumamoto Prefecture (5)
Birthdays by Place
- Tokyo (51)
- Hokkaidō (15)
- Ōsaka Prefecture (15)
- Ōsaka (14)
- Kyoto (10)
- Shizuoka Prefecture (9)
- Kanagawa Prefecture (9)
- Saitama Prefecture (8)
- Yokohama (8)
- Okayama (7)
- Chiba Prefecture (7)
- Tochigi Prefecture (6)
- Fukuoka Prefecture (6)
- Kagoshima Prefecture (5)
- Okinawa Prefecture (4)
- Kagoshima (4)
- Sapporo (4)
- Hyōgo Prefecture (4)
- Shizuoka (4)
- Saitama (4)
