This is a list of states of South Sudan by Human Development Index as of 2021. [1]
| Rank | Region | HDI (2021) | |
|---|---|---|---|
| Low human development | |||
| 1 |  Central Equatoria | 0.463 | |
| 2 |  Western Equatoria | 0.430 | |
| 3 |  Upper Nile | 0.426 | |
| 4 |  Western Bahr el Ghazal | 0.416 | |
| – |  South Sudan | 0.385 | |
| 5 |  Eastern Equatoria | 0.371 | |
| 6 |  Lakes | 0.348 | |
| 7 |  Unity (with  Ruweng) | 0.344 | |
| 8 |  Jonglei (with  Pibor) | 0.335 | |
| 9 |  Warrap | 0.311 | |
| 10 |  Northern Bahr el Ghazal | 0.308 | |
The Human Development Index (HDI) is a statistical composite index of life expectancy, education, and per capita income indicators, which is used to rank countries into four tiers of human development. A country scores a higher level of HDI when the lifespan is higher, the education level is higher, and the gross national income GNI (PPP) per capita is higher. It was developed by Pakistani economist Mahbub ul-Haq and was further used to measure a country's development by the United Nations Development Programme (UNDP)'s Human Development Report Office.
The Human Poverty Index (HPI) was an indication of the poverty of community in a country, developed by the United Nations to complement the Human Development Index (HDI) and was first reported as part of the Human Development Report in 1997. It is developed by United Nations Development Program which also publishes indexes like HDI It was considered to better reflect the extent of deprivation in deprived countries compared to the HDI. In 2010, it was supplanted by the UN's Multidimensional Poverty Index.
The Human Development Report (HDR) is an annual Human Development Index report published by the Human Development Report Office of the United Nations Development Programme (UNDP).