A composite index measuring average achievement in three basic dimensions of human development—a long and healthy life, knowledge and a decent standard of living. 1=the most developed.

Human development index (score)

19902000200520102011201220132014201520162017201820192020
United Arab Emirates0.720.790.810.830.830.830.840.850.860.860.880.910.930.93
Qatar0.760.790.840.830.840.850.840.840.850.850.850.850.870.86
Saudi Arabia0.700.750.770.810.820.840.850.850.840.860.850.870.860.86
Kuwait0.700.780.780.810.790.800.790.800.830.800.810.840.840.83
Iran0.610.690.680.760.750.770.770.770.780.780.790.790.790.78
Libya0.720.750.800.770.760.790.760.730.750.690.710.720.760.74
Ecuador0.650.680.700.740.730.750.750.760.760.760.760.760.760.73
Algeria0.590.650.690.720.730.730.730.740.740.740.750.750.740.73
Gabon0.600.630.630.660.660.670.670.680.690.690.690.710.700.70
Venezuela (Bolivarian Republic of)0.660.700.720.760.770.770.780.780.770.760.740.740.720.69
Iraq0.500.580.620.630.640.650.650.650.660.660.670.690.680.66
Equatorial Guinea0.510.570.610.580.580.590.590.650.590.580.600.650.65
Congo0.540.510.470.580.520.540.550.560.610.580.570.580.600.60
Angola0.380.460.520.530.540.560.570.590.580.580.600.600.59
Nigeria0.470.490.490.500.520.520.520.530.530.530.540.54