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)
Look out for coverage of pwc's Global CEO Study now in its 17th year. AKK Research's Annabel Kelly helped them to get the balling rolling back in 2004 with the design and execution of the inaugural edition.