15. Mauritania
Part of GDP: %15.129
Value in $billions: 0,766
First up on our list is Mauritania, a country located in West Africa, with an estimated population of 4.3 million citizens, spread over 1 million square kilometers (400,000 square miles). The IMF estimates Mauritania’s GDP for 2017 to be around $5.000 billion, a number that puts the country on the 154th spot globally.