Social Justice in the EU. A Cross-national Comparison 2014. The growing social divide is a topic of much discussion these days. Certainly since the release of French economist Thomas Piketty’s recent book, Capital in the 21st Century, the topic of this widening gap is on everyone’s lips. The comparison of all 28 member states of the European Union (EU) presented here clearly shows that the concept of social justice is realized to very different extents within the borders of the EU.