`` `` co-residence of parents and grown-up ( especially married ) children has been one of the most important factors that affect the trends in household formation in recent japan . this article reports the proportion co-residing ... using a nation-wide large-sample household survey data set containing about 300,000 persons in each year ... . the proportion of parents who co-reside with children ... had remarkably decreased during the period 1975 to 1985 , especially for younger elders regardless of their marital status ... . on the contrary , the proportion co-residing of married children aged 20-39 with their parents had been constant or slightly rising ... during the same period . these two opposite trends can be interpreted as follows : though the preference for co-residence has declined both for parents and for children , the child availability for parents has barely changed and the downward trend in preference has directly appeared [ in ] the proportion co-residing ;
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C0008059
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