The number of householders and housing by age
The changes of the household member are indicators of birth rate and household composition in society.The mean number of the household member has consistently decreased from 3.7 in 1990 to 3.1 in 2000, 2.7 in 2010 and 2.5 in 2015. It means decreasing birth rate, being smaller family and increasing single households.
The rate of one household has increased from 9.0 percent in 1990 to 27.2 percent in 2015, the statistics expect 31.3 percent in 2025. On the other hand, the rate of 4 households has decreased from 29.5 percent in 1990 to 18.8 percent in 2015. The reason is decreasing the rate of marriage and increasing divorce or separation, old people who live alone, etc. The data show the number of household member in rural area decrease more than the metropolis. The rate of a single household has dramatically increased from 4.9 percent in 1980 to 29.8 percent in 2015 because of aging.
The mean number of Korea household member is high compared to the mean number of household member among OECD states; Germany 2.14, Swiss 2.25, England 2.32, Canada 2.47, Japan 2.54, USA 2.57. Most OECD countries have an average of 2 household members. It means that it is not exceptional for Korea to decrease the number of household member.
The number of house owner by age
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