- Name
- Human Development Index (HDI)
- Definition
- Composite index measuring average achievement in health, education and standard of living, ranging from 0 to 1.
- Unit
- Index, 0 to 1
- Category
- Development
- Source
- United Nations Development Programme — Human Development Index (HDI)
- Coverage
- 1990–2023 observed
- Reference year
- 2023 (latest year with at least 80% of countries reporting) — 193 countries
- Frequency
- Annual
- Ranking direction
- Higher is better