Speaking in Athens on Wednesday, US President Obama said inequality feeds a rising "tribalism" and "nationalism" that breeds suspicion of institutions. Democracy needs equality, Obama argued. If that is true, Greece is the least democratic country in Europe; Sweden is the most democratic.

Operationalizing inequality

The annual Social Justice in the EU of the German Bertelsmann Foundation suggests that Greece is the least fair society among the EU 28. Sweden has the highest Social Justice score...