Armenia (61st) has seen its prosperity improve most in Eastern Europe over the past decade, rising almost 20 places. It has made significant progress in decreasing levels of crime, halving its homicide rate since 2011.
Read MoreSouth Sudan is 167th in the overall Prosperity Index rankings. Since 2011, South Sudan has moved down the rankings table by 4 places.
South Sudan performs most strongly in Natural Environment and Investment Environment but is weakest in Safety & Security. The biggest improvement compared to a decade ago came in Education.
Visit our Rankings table to see how South Sudan compares to other countries.