Cross-Country Trends in Affective Polarization
We measure trends in affective polarization in twelve OECD countries over the past four decades. According to our baseline estimates, the US experienced the largest increase in polarization over this period. Five countries experienced a smaller increase in polarization. Six countries experienced a decrease in polarization. We relate trends in polarization to trends in potential explanatory factors.
- Negative feeling toward opposing political parties is up most sharply in the United States. It has also risen in Canada, Switzerland...