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Independent rankings built from public data — every figure traceable to the body that published it.
Report year 2015Data year 2015
IHDI (0–1)Higher is better — rank 1 leadsPublished by UNDP Human Development Report Office
14 reference years (2010–2023), 115 to 169 countries. The HDI discounted for how unequally health, education and income are actually distributed within a country: in a perfectly equal society it would equal the HDI, and the gap between the two is the development lost to inequality. Best read next to `human-development-index` rather than instead of it — a country can rank well on one and poorly on the other, which is the entire point of the measure. ⚠ Not 14 published editions: the 2025 Human Development Report recalculates every year on one methodology. UNDP publishes no rank for the IHDI, so none is stored; the POSITION shown on the statistics page is derived here by ordering the score, and labelled as ours.
Inequality-adjusted Human Development Index 2015 — UNDP Human Development Report Office
Cite as: UNDP. Human Development Report. New York: United Nations Development Programme.
Licence: CC BY 3.0 IGO
Recalculated for every year by the 2025 Human Development Report — not a figure published separately in 2015. UNDP publishes no rank for this index, so none is stored and none is derived.
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