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The World, Explained · 45 sec

Human Development Index

A small piece of context that makes the wider world easier to read.

  1. The useful idea

    The Human Development Index (HDI) is a statistical composite index of life expectancy, education (mean years of schooling completed and expected years of schooling upon entering the education system), and

  2. How it works

    per capita income indicators, which is used to rank countries into four tiers of human development.

  3. Why it matters

    A country scores a higher level of HDI when the lifespan, education level and gross national income GNI (PPP) per capita are higher.

Use Human Development Index as context when interpreting events and claims about the world.

Use Human Development Index as context when interpreting events and claims about the world.

Test your recall

Which idea belongs to the explanation of Human Development Index?

  • Why it matters
  • How it works
  • The useful idea — correct

The Human Development Index (HDI) is a statistical composite index of life expectancy, education (mean years of schooling completed and expected years of schooling upon entering the education system), and

EvergreenLast verified 2026-07-19

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