An interesting article by the Brookings Institute on the economic drivers behind growing populism in Europe

In summary :

In Europe, the most important determinant of inclusive growth is labor earnings. The growth of labor earnings per capita has been lackluster. This is not due to a jobless recovery: Employment numbers have been growing for four years in a row. Instead, they suggest five reasons for the less inclusive growth trends:

First, many workers have become part-time workers not by choice.

Second, rapid technological change is polarizing the labor market.

Third, workers in Southern Europe and, until recently, in Central Europe are receiving a decreasing share of income since 2012. I

Fourth and fifth, EU populations are aging and overall productivity growth is weak.