This report looks at the characteristics of Europe’s knowledge-workers, explores the nature of knowledge work and demonstrates how it varies across the European Union by drawing on the data from the fourth European Working Conditions survey (EWCS). It creates a ‘good work’ index based on 19 indicators in order to find out if knowledge work is ‘good work’ and if European countries are making the most of their knowledge work force. The reports establishes a link between the ability to support knowledge workers and the performance of individual countries’ social models.