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What metrics are used to calculate the HDI?

The HDI is calculated as the geometric mean (equally-weighted) of life expectancy, education, and GNI per capita, as follows: The education dimension is the arithmetic mean of the two education indices (mean years of schooling and expected years of schooling).

What indicators does the HDI measure?

The Human Development Index (HDI) is a statistical measure (composite index) developed by the United Nations to assess the social and economic development of countries around the world. The HDI considers three indicators of human development, namely, life expectancy, education, and per capita income.

What is the purpose of the HDI Store?

It was introduced by the U.N. in 1990. The HDI was created to emphasize that people and their capabilities should be the ultimate criteria for assessing the development of a country, not economic growth alone. The HDI uses components such as average annual income and educational expectations to rank and compare countries.

How often is the HDI released?

The HDI was first launched in 1990 and has been released annually ever since, with the exceptions of 2012 and 2020/21. While HDI tends to trend upward globally over time, more than 90% of the 191 countries analyzed for the 2021/22 HDI report suffered a decline in overall HDI in either 2020 or 2021.