See also>HDIFertilityMortalityLife expectancyLiteracy rateBulgaria - Social Progress Index - SPIDateSPISPIBasic Human NeedsFoundations of WellbeingOpportunity201674.4345º40º66º43º201574.1645º41º67º43º201473.4244º42º60º43ºBulgaria - Social Progress Index - SPIBulgaria - Social Progress Index - SPI Sources: Social Progress Imperative