Sub-Saharan Africa and Emerging Asia lead the pack over an 8-year term in improving its citizens lives, while Western Europe remains at the top of the current index
The SEDA, or Sustainable Economic Development Assessment ranks more than 160 countries across 10 areas including economic stability, health, governance and environment. It uses two measures, the first a current score taking into the most recent data and a rolling score that assesses how countries can convert economic growth into well-being over an eight year period from 2006 to 2014.