Those numbers are not what you say they are. > The following table represents data from OECD's "median disposable income per person" metric; disposable income

Those numbers are not what you say they are. > The following table represents data from OECD's "median disposable income per person" metric; disposable income deducts from gross income the value of taxes on income and wealth paid and of contributions paid by households to public social security schemes. The figures are equivalised by dividing income by the square root of household size. According to that metric, public healthcare, public pensions, and subsidized education and childcare lower disposable income, while private versions of the same services don't. Additionally, cultures where adult children often live with their parents have higher incomes by that metric than those where they move out earlier.