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The Human Development Index (HDI) is a composite index of life expectancy, education, and per capita income indicators, which are used to classify countries into 4 tiers of human development. A country scores a higher Human Development Index when the lifespan is higher, the education level is higher, and the gross national income per capita is higher.
They usually present Human Development Index on a national level. However, the Human Development Index can vary a lot within a country. For example, the state in the U.S. with the highest Human Development Index is Massachusetts at 0.959, while the lowest is Mississippi, at 0.867.
The map below, created by Reddit user TomasWhitebread shows country subdivisions by Human Development Index.
Country Subdivisions by Human Development Index
Countries with the highest Human Development Index (HDI >0.9) are primarily located in North America and Europe. Australia, New Zealand, Japan, South Korea, Taiwan, Israel, and cities in some countries (e.g., Moscow in Russia) also have high HDI.
Subnational Divisions With Human Development Index over 0.9
On the map below created by Reddit user Gabliang, the blue regions all have a Human Development Index over 0.9, making them comparable with that of Norway, where the lowest Human Development Index of any subnational division is Sør-Østlandet at 0.917.
Subnational Divisions With Human Development Index over 0.8
0.8 Human Development Index, categorized as “very high” according to the United Nations, except for North American and Western European countries, have some regions of Russia and some Middle East nations.
Appears to weigh more to areas with resource extraction