Human Development Index (HDI)

A composite measure of development combining life expectancy, education measured through years of schooling, and GNI per head. Scores range from 0 to 1, with higher scores indicating higher human development.

An index combining measures of income, life expectancy and education into a score between 0 and 1; higher scores indicate greater human development.

A composite measure combining health, education and income indicators, scored from 0 to 1; higher values indicate higher human development.