Each income group (quintile) [1] represents one-fifth of all households; the first quintile includes 20% of households with the lowest disposable income and the fifth quintile 20% of households with the highest disposable income.
Vsaka dohodkovna skupina (kvintil) [1] zajema petino vseh gospodinjstev, pri čemer so v prvem kvintilu dohodkovno najrevnejša, v petem pa dohodkovno najbogatejša gospodinjstva.