Economics
Electoral System Effects on Party Fragmentation
Quick fact
Countries that use plurality voting in single-member districts (like the US and UK) tend to have far fewer parties than countries using proportional representation (like the Netherlands and Brazil), even when both are democracies.
Why this is interesting
Have you ever wondered why the United States is dominated by just two parties, while Israel often has a dozen parties in its parliament? The answer lies not in culture or history, but in the rules of the election itself—the electoral system.