This is a list of regions of Mauritania by Human Development Index as of 2023 with data for the year 2021.[1] An HDI value is calculated for the Trarza Region and the city of Nouakchott (comprising the regions of Nouakchott-Nord, Nouakchott-Ouest and Nouakchott-Sud since 2014) combined.
| Rank | Region | HDI (2021) |
|---|---|---|
| High human development | ||
| 1 | Tiris Zemmour | 0.713 |
| Medium human development | ||
| 2 | Dakhlet Nouadhibou | 0.692 |
| 3 | Trarza and Nouakchott | 0.666 |
| 4 | Inchiri | 0.621 |
| 5 | Adrar | 0.577 |
| – |  Mauritania |
0.556 |
| Low human development | ||
| 6 | Brakna | 0.531 |
| 7 | Tagant | 0.521 |
| 8 | Assaba | 0.489 |
| 9 | Gorgol | 0.474 |
| 10 | Hodh El Gharbi | 0.464 |
| 11 | Guidimaka | 0.452 |
| 12 | Hodh Ech Chargui | 0.416 |