Poverty & Inequality in Japan 19 indicators covering poverty & inequality for Japan. IndicatorLatest Year10-yr change Rank Poverty headcount ratio at $8.30 a day (2021 PPP) 3.3% 2020 up 65.0% 87th Poverty headcount ratio at $4.20 a day (2021 PPP) 1.6% 2020 up 77.8% 71st Poverty headcount ratio at $3.00 a day (2021 PPP) 1.2% 2020 up 100.0% 61st Poverty gap at $3.00 a day (2021 PPP) 0.5% 2020 up 66.7% 58th Prosperity gap 1.2 average shortfall from a prosperity standard of $28/day 2020 up 20.0% 93rd Poverty gap at $8.30 a day (2021 PPP) 1.5% 2020 up 66.7% 82nd Poverty headcount ratio at societal poverty line 15.4% 2020 up 6.2% 84th Poverty gap at $4.20 a day (2021 PPP) 0.8% 2020 up 100.0% 63rd Income share held by second 20% 13.0% 2020 down 0.8% 31st Gini index 32.3 2020 up 2.5% 81st Income share held by lowest 20% 6.8% 2020 down 6.8% 79th Income share held by lowest 10% 2.3% 2020 down 11.5% 84th Income share held by highest 10% 24.3% 2020 up 1.7% 91st Income share held by highest 20% 39.4% 2020 up 1.3% 88th Income share held by fourth 20% 23.2% 2020 unchanged 9th Income share held by third 20% 17.6% 2020 up 1.1% 15th Proportion of people living below 50 percent of median income 13.4% 2020 up 10.7% 40th Share of population living in extreme poverty vs. GDP per capita 1.2% 2020 up 100.0% 61st Multidimensional poverty headcount ratio (World Bank) 1.2% 2020 up 50.0% 37th