[[Survival of direct progenitors in Japan]].
D000367:Age Factors; D001208:Asia; D003710:Demography; D019049:Developed Countries; D005202:Asia, Eastern; D007564:Japan; D008136:Longevity; D008393:Marriage; D009026:Mortality; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics
Age Factors; Asia; Demographic Factors; Developed Countries; Eastern Asia; Japan; Length Of Life; Marriage; Marriage Age; Marriage Patterns; Mortality; Nuptiality; Population; Population Characteristics; Population Dynamics