Botswana (82nd) has the third highest new business density in the world, contributing to it ranking first in sub-Saharan Africa for Economic Quality.
Read MoreYemen is 165th in the overall Prosperity Index rankings. Since 2011, Yemen has moved down the rankings table by 5 places.
Yemen performs most strongly in Health and Living Conditions but is weakest in Governance. The biggest improvement compared to a decade ago came in Education.
Visit our Rankings table to see how Yemen compares to other countries.