Poverty & Inequality in Tanzania 20 indicators covering poverty & inequality for Tanzania. IndicatorLatest Year10-yr change Rank Poverty headcount ratio at $8.30 a day (2021 PPP) 91.5% 2018 down 3.4% 10th Poverty headcount ratio at $4.20 a day (2021 PPP) 70.0% 2018 down 10.1% 8th Poverty headcount ratio at $3.00 a day (2021 PPP) 51.3% 2018 down 17.1% 8th Poverty gap at $3.00 a day (2021 PPP) 16.7% 2018 down 31.6% 8th Prosperity gap 10.6 average shortfall from a prosperity standard of $28/day 2018 down 22.6% 9th Poverty gap at $8.30 a day (2021 PPP) 56.4% 2018 down 10.5% 8th Poverty headcount ratio at societal poverty line 51.3% 2018 down 17.1% 8th Poverty gap at $4.20 a day (2021 PPP) 29.6% 2018 down 21.5% 8th Population living in slums 70.1% 2022 up 25.6% 11th Income share held by second 20% 10.5% 2018 down 0.9% 94th Gini index 40.5 2018 up 0.5% 25th Income share held by lowest 20% 6.9% 2018 up 9.5% 75th Income share held by lowest 10% 2.9% 2018 up 16.0% 53rd Income share held by highest 10% 33.1% 2018 up 3.8% 19th Income share held by highest 20% 48.1% 2018 up 1.9% 20th Income share held by fourth 20% 20.4% 2018 down 3.3% 112th Income share held by third 20% 14.2% 2018 down 3.4% 106th Proportion of people living below 50 percent of median income 9.7% 2018 down 26.5% 81st Share of population living in extreme poverty vs. GDP per capita 51.3% 2018 down 17.0% 8th Poverty headcount ratio at national poverty lines 26.4% 2018 down 23.3% 15th