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
Timor-Leste0.500.540.640.640.640.630.620.620.600.600.610.630.63
Sao Tome and Principe0.480.500.530.550.570.570.580.590.600.610.620.620.610.61
Comoros0.460.490.520.530.540.540.540.560.550.550.560.580.59
Papua New Guinea0.390.460.480.500.530.520.540.540.540.550.550.550.560.57
Solomon Islands0.490.510.550.540.550.560.560.560.560.560.570.570.57
Haiti0.440.490.450.450.480.480.490.490.550.500.510.540.560.56
Togo0.400.440.440.470.480.480.490.490.510.500.510.530.540.54
Côte d’Ivoire0.430.450.440.470.470.480.490.490.500.510.530.540.530.53
Afghanistan0.280.340.420.450.480.490.500.500.480.500.510.480.490.49
Liberia0.430.430.460.470.470.480.480.470.480.480.480.490.48
Guinea-Bissau0.400.440.450.450.450.460.470.470.470.480.490.48
Congo (Democratic Republic of the)0.380.380.380.420.440.440.450.460.460.470.480.480.480.48
Guinea0.270.350.380.420.430.440.450.450.450.470.470.460.470.47
Sierra Leone0.310.320.350.420.410.420.430.440.440.430.440.470.460.45
Yemen0.360.430.480.500.510.500.510.500.460.470.470.460.430.43
Burundi0.290.300.340.400.420.430.430.440.420.440.430.430.420.42
Chad0.290.330.360.380.390.390.400.390.390.400.400.400.40
Central African Republic0.330.320.340.360.370.380.360.370.370.380.390.410.390.39
South Sudan0.410.430.400.430.430.380.420.430.400.390.39