[Changes in the age structure of Japan by prefectures].
Yamaguchi
K
K
Yamamoto
M
M
D017677:Age Distribution; D000367:Age Factors; D001208:Asia; D003710:Demography; D019049:Developed Countries; D003906:Developing Countries; D005202:Asia, Eastern; D005843:Geography; D007564:Japan; D011153:Population; D011154:Population Characteristics
Age Distribution--changes; Age Factors; Asia; Demographic Factors; Developed Countries; Developing Countries; Eastern Asia; Geographic Factors; Historical Survey; Japan; Population; Population Characteristics; Spatial Distribution