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Atlas (Beta)Human Development Index (HDI)
WorldHuman Development Index scores, by country. HDI is a composite of life expectancy, education, and per capita income indicators, which are used to rank countries into four tiers of human development: very high, high, medium, and low. The rankings are viewed as the extent to which people are able to do things in life. HDI is a measure of the "potential" that people have to achieve economic and social goals, not necessarily whether all persons actually achieve such goals.
A world map shows the Human Development Index for different countries. Dark blue (more than 0.9): Canada, U S A. Blue to light blue (0.5 to 0.9): Brazil, Russia, north and South Africa. Very light blue (less than 0.5): most central countries of Africa.
Class | Rank | Value | Value | Value | Class | Rank | Percent | Lightning Frequency | <0.1 flashes/km²/year | 0.1 flashes/km²/year | 0.2 flashes/km²/year | 0.4 flashes/km²/year | 0.6 flashes/km²/year | 0.8 flashes/km²/year | 1 flash/km²/year | 2 flashes/km²/year | 4 flashes/km²/year | 6 flashes/km²/year | 8 flashes/km²/year | 10 flashes/km²/year | 20 flashes/km²/year | 30 flashes/km²/year | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 24.4% | 16.4% | 8.63% | 6.27% | 9.50% | 4.67% | 3.58% | 14.1% | 25.7% | 10.1% | 11.3% | 14.8% | 42.6% | 30.6% | 47.1% | |||||||||