Across Western Europe and beyond, social-democratic parties are on the backfoot. A story of lost elections and lost governing positions, from Austria to the Netherlands, from Spain to Australia. Why is the left, especially the center-left, that played such a fundamental role in building Western Europe’s post-war society, losing? What new developments and changes are causing this political shift? Voters have seen themselves confronted with post-crisis austerity politics and unemployment, the effects of globalization and immigration. They have turned away from the traditional social democratic parties, accompanied by political fragmentation and the rise of right-wing populist or far-right parties. What will this all mean for the upcoming European Parliament Elections and the future of Europe?