Japan 
Japanese volcanologistBirthdays by Profession
- Actor (345)
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- Politician (192)
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- Seiyū (150)
- Writer (96)
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- Military personnel (56)
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- Screenwriter (50)
- Samurai (44)
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- Professional wrestler (43)
Birthdays by Region
- Tokyo (414)
- Ōsaka Prefecture (137)
- Kanagawa Prefecture (117)
- Hokkaidō Prefecture (96)
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- Gunma Prefecture (26)
Birthdays by Place
- Tokyo (281)
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- Kyoto (49)
- Kanagawa Prefecture (39)
- Yokohama (38)
- Ōsaka Prefecture (37)
- Saitama Prefecture (36)
- Hyōgo Prefecture (35)
- Hiroshima (31)
- Hokkaidō (30)
- Chiba Prefecture (28)
- Nagoya (25)
- Fukuoka (25)
- Fukuoka Prefecture (19)
- Aichi Prefecture (18)
- Sapporo (18)
- Kōbe (17)
- Tokyo (16)
- Saitama (16)
- Sendai (16)
