Question

What is HDI? How is it calculated​

Answer 1

Answer:

The Human Development Index (HDI) is a summary measure of average achievement in key dimensions of human development: a long and healthy life, being knowledgeable and have a decent standard of living. ... The standard of living dimension is measured by gross national income per capita.

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).