Despite its significant mineral deposits and other resources, such as uranium reserves, crude oil, gold, diamonds, cobalt, lumber, and hydropower, as well as significant quantities of arable land, the Central African Republic is among the ten poorest countries in the world, with the lowest GDP per capita at purchasing power parity in the world as of 2017. , according to the Human Development Index (HDI), the country had the second-lowest level of human development (only ahead of Niger), ranking 188 out of 189 countries. The country had the lowest inequality-adjusted Human Development Index (IHDI), ranking 150th out of 150 countries. The Central African Republic is also estimated to be the unhealthiest country as well as the worst country in which to be young. 