Dataset · UNDP Human Development Report Office
Inequality-adjusted Human Development Index
14 years, 2010–2023 · 169 countries
The Inequality-adjusted HDI is the Human Development Index discounted for how unevenly health, education and income are actually spread inside a country. In a perfectly equal society the two would be identical; the distance between them is the development lost to inequality.
This site holds every year from 2010 to 2023, read from UNDP Human Development Report Office’s own data and stored exactly as published.
Inequality-adjusted Human Development Index · the file
- Newest
- Inequality-adjusted Human Development Index, 2023
- Held
- 14 years · 2,143 rows
- Licence
- CC BY 3.0 IGO
0114 years
Every year
Every year comes from UNDP Human Development Report Office’s 2025 release, recalculated on one method. Each opens the full table for that year; each downloads as a CSV.
Show all 14 years
| Year | Countries | Change | Read | Download |
|---|---|---|---|---|
| Inequality-adjusted Human Development Index, 2011 | 130 | +16 −1 | September 6, 2026 | CSV |
| Inequality-adjusted Human Development Index, 2010 | 115 | — | September 6, 2026 | CSV |
Every year in one file, one row per country per year: inequality-adjusted-hdi-all-editions-nations-inquiry.csv
023 columns
What’s in the file
Every column, what it holds, how it is stored and what its values look like — what a reader needs before opening the file.
| Column | What it holds | Stored as | Range, 2023 | Distinct | Empty | Spread |
|---|---|---|---|---|---|---|
CountrycountryName | The country’s name, as this file spells it. | Text | — | 169 | 0 | |
ISO Codecountry_codeIdentifier | The ISO 3166-1 alpha-3 code, added by this site. Every table here joins on it. | Text · 3 letters | — | 169 | 0 | |
Inequality-adjusted HDI (0–1)ihdi_scoreHeadline | The headline figure: IHDI (0–1). | Number · up to 3 decimals | 0.226 South Sudan0.923 Icelandmiddle 0.609 | 145 | 0 |
Profiled from the newest file. Range: the lowest and highest value, with the country holding it when only one does. Spread: countries in ten equal steps from lowest to highest. A higher value is the better result.
03170 countries across every year
Who is covered
How many countries each year holds, continent by continent, who joined and who left, and which places this site covers that the dataset never has.
| 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Africa | 43 | 44 | 45 | 48 | 48 | 48 | 48 | 50 | 50 | 50 | 50 | 51 |
| Americas | 22 | 23 | 23 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Asia | 38 | 39 | 39 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 |
| Europe | 35 | 36 | 39 | 38 | 39 | 40 | 40 | 40 | 40 | 40 | 40 | 40 |
| Oceania | 2 | 3 | 4 | 4 | 5 | 5 | 6 | 10 | 11 | 13 | 13 | 13 |
| All | 140 | 145 | 150 | 154 | 156 | 158 | 159 | 165 | 166 | 168 | 168 | 169 |
The newest 12 of 14 years.
Who joined and who left
+ Central African Republic
+ Somalia
+ Fiji
+ Nauru
+ Marshall Islands
+ Benin
+ New Zealand
+ Seychelles
+ Tonga
+ Tuvalu
+ Samoa
+ Kiribati
+ Estonia
+ Saint Lucia
+ Andorra
+ United Arab Emirates
+ Papua New Guinea
− SyriaNot in this dataset · 55 places this site covers
UNDP Human Development Report Office gives no figure for these in any year held here. It is the publisher’s choice of scope, and each place’s profile shows what is measured.
American Samoa
Anguilla
Antigua and Barbuda
Aruba
Bahrain
Belize
Bermuda
British Virgin Islands
Cayman IslandsChannel Islands
Cook Islands
Cuba
Curaçao
Dominica
Equatorial Guinea
Eritrea
Faroe Islands
French Polynesia
Gibraltar
Greenland
Grenada
Guam
Guyana
Isle of Man
Kosovo
Kuwait
Lebanon
Libya
Liechtenstein
Macau
Micronesia
Monaco
Montserrat
New Caledonia
Niue
North KoreaNorthern Cyprus
Northern Mariana Islands
Puerto Rico
Qatar
Saint Kitts and Nevis
Saint Martin
Saint Vincent and the Grenadines
San Marino
Saudi Arabia
Sint MaartenSomaliland
Suriname
Taiwan
Trinidad and Tobago
Turkmenistan
Turks and Caicos Islands
United States Virgin Islands
Uzbekistan
Vatican City04Provenance
Where it comes from
The path from the publisher to this page, and what was checked and changed on the way.
1 · Publisher
UNDP Human Development Report Office
2 · Their file
Inequality-adjusted Human Development Index 2023
3 · Read by this site
September 6, 2026
Imported by a script that parses each figure and writes it down unrounded.4 · Stored as
14 files, one per year
Each downloads as a CSV, or every year together as inequality-adjusted-hdi-all-editions-nations-inquiry.csv5 · Used on
Its statistic page, and every profile it measures
Precision
The headline is stored to 3 decimals, as published.
Rounded by this site
Never. Tables on screen may show fewer decimals; the files never do.
Changed by this site
Reshaped into one row per country: regional and income-group totals are left out, only the columns listed are kept, each row gets its ISO 3166 code, and some country names are brought to one spelling. No value is recalculated, rescaled or rounded.
From the 2025 Human Development Report, which recalculates all 14 years on a single method rather than publishing 14 separate editions.
05Reuse
Licence and credit
What the publisher’s licence lets you do, what it asks of you, and a credit line and citation ready to copy.
Licence · checked August 29, 2026
- Share and redistribute it
- Adapt it and build on it
- Use it commercially
- Credit the publisher
- Say what you changed
The version of CC BY written for intergovernmental organisations. Credit the publisher and say what you changed.
A credit line
Source: UNDP Human Development Report Office, Inequality-adjusted Human Development Index, via Nations Inquiry.
Cite this dataset
UNDP Human Development Report Office. Inequality-adjusted Human Development Index, 2010–2023 [data set]. As held by Nations Inquiry, https://nationsinquiry.com/datasets/inequality-adjusted-hdi
The publisher’s own citation: UNDP. Human Development Report. New York: United Nations Development Programme.
Plain-language summary, not legal advice. The licence text is what binds.
06Questions
Inequality-adjusted Human Development Index: questions and answers
What is the Inequality-adjusted Human Development Index?
The Inequality-adjusted HDI is the Human Development Index discounted for how unevenly health, education and income are actually spread inside a country. In a perfectly equal society the two would be identical; the distance between them is the development lost to inequality.
Which years of the Inequality-adjusted Human Development Index can I download?
All 14, from 2010 to 2023, each as a CSV file, or every year together in one CSV.
Does UNDP Human Development Report Office rank countries on it?
No. UNDP Human Development Report Office publishes values only. The positions shown on this site are derived by ordering the published values, and are labelled as ours.
Can I use it commercially?
Yes, under CC BY 3.0 IGO, with credit to UNDP Human Development Report Office. The licence text is linked on this page.