Don't miss this week's More or Less: Behind the Stats BBC Radio 4 podcast (from 4:25). Dr. Helen Joyce, International Editor of the Economist discusses the reasons behind the explosion of country rankings, their credibility, and the implications for the countries that are ranked.
"[Rankings/Indexes] are catnip for the sorts of things that get shared on social media. People love rankings. If you see something about which countries are best to live as a woman, you look to see where your country is "
Programme for International Student Assessment (PISA) results for 2012 cited as an example of best practice (image from Wikipedia)