Poverty & Inequality in Mauritania 19 indicators covering poverty & inequality for Mauritania. IndicatorLatest Year10-yr change Rank Poverty headcount ratio at $8.30 a day (2021 PPP) 71.2% 2019 down 3.9% 28th Poverty headcount ratio at $4.20 a day (2021 PPP) 26.0% 2019 down 29.3% 28th Poverty headcount ratio at $3.00 a day (2021 PPP) 10.2% 2019 down 46.9% 29th Poverty gap at $3.00 a day (2021 PPP) 2.5% 2019 down 51.9% 31st Prosperity gap 5.5 average shortfall from a prosperity standard of $28/day 2019 down 16.7% 30th Poverty gap at $8.30 a day (2021 PPP) 28.7% 2019 down 16.6% 28th Poverty headcount ratio at societal poverty line 27.6% 2019 down 18.8% 33rd Poverty gap at $4.20 a day (2021 PPP) 6.8% 2019 down 42.4% 30th Population living in slums 58.6% 2022 down 9.1% 20th Income share held by second 20% 12.5% 2019 up 10.6% 46th Gini index 32 2019 down 10.4% 82nd Income share held by lowest 20% 7.8% 2019 up 16.4% 41st Income share held by lowest 10% 3.1% 2019 up 19.2% 39th Income share held by highest 10% 24.6% 2019 down 6.1% 86th Income share held by highest 20% 40.0% 2019 down 5.7% 79th Income share held by fourth 20% 22.9% 2019 down 1.7% 18th Income share held by third 20% 16.8% 2019 up 3.1% 44th Proportion of people living below 50 percent of median income 10.6% 2019 down 28.9% 73rd Share of population living in extreme poverty vs. GDP per capita 10.2% 2019 down 46.9% 30th