In absolute figures (estimate): 1  4,968,429 young people under 15 years old ( 2,534,785 males / 2,433,645 females) 2  10,495,608 persons between 15 and 64 years old ( 5,175,172 males / 5,320,437 females) 3  1,062,137 persons above 64 years old ( 510,328 males / 551,644 females)
Median income for a one-person household is $27,237 while typical income for a two-person household is $58,121. Median income rises as household size increases, peaking at 4-person households with a median income of $75,343.
In Japan, the average household net-adjusted disposable income per capita is USD 26 111 a year, more than the OECD average of USD 25 908 a year. But there is a considerable gap between the richest and poorest â the top 20% of the population earn more than six times as much as the bottom 20%.In terms of employment, 72% of people aged 15 to 64 in Japan have a paid job, above the OECD employment average of 65%.n Japan, 62% of women have jobs. This is more than the OECD average of 58% but much less than the 81% employment rate of men in Japan. This 19 percentage point gender difference is higher than the OECD average of 15 percentage points and suggests employment opportunities for women could be improved.