Populist parties and movements have disrupted the political landscape in Western Europe, from the United Kingdom’s Brexit vote to the rise of a populist governing coalition in Italy. Amid these gains at the ballot box, journalists and other observers have debated whether these parties are redrawing the map of Europe, destroying traditional parties or pulling traditional parties more toward the ideological poles.

To learn more about what traditional and populist party support looks like in Western Europe, explore our new interactive feature below.

Exploring traditional and populist party support in 8 Western European countries People in Western Europe differ in their attitudes about major political parties and on key policy issues based on their ideology and whether their views are more populist or mainstream. A Pew Research Center study of eight countries’ political dynamics used those factors to categorize survey respondents into six political groups: Left Populists, Left Mainstream, Center Populists, Center Mainstream, Right Populists and Right Mainstream – plus a seventh, Unaffiliated, who identify with no particular ideology.