See also>HDIFertilityMortalityLife expectancyLiteracy rateChad - Social Progress Index - SPIDateSPISPIBasic Human NeedsFoundations of WellbeingOpportunity201530.81167º168º165º165º201430.31166º168º163º165ºChad - Social Progress Index - SPIChad - Social Progress Index - SPI Sources: Social Progress Imperative