All these extremely fragile and underdeveloped economies have either recently been through a civil war or are suffering from ongoing sectarian or ethnic conflicts.
Macroeconomy & Globalization
China is rising, the US is falling, and some developing nations in Africa are outperforming according to the 2018 edition of the Global Innovation Index.
Nauru, Ethiopia, Turkmenistan, Qatar, China and Uzbekistan are the countries with the fastest growing economies in the World as per IMF data for the last 10 years. Here is a complete list for the world's fastest growing economies in 2017 by GDP.