Related terms:
ran yakumo
birth and death rates
high fertility
perfect cherry blossom
scarlet devil
ansley j
population pyramid
heroine's
age structure
demographic transition
list of touhou project characters
stage two
fertility rates
population decline
coale
death rates
agricultural revolution
ayakashi
uwc
birth rates
Wikipedia sources:
Perfect Cherry Blossom
Demographic transition
Context for words:
stage
four
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