Economics
Ranked-Choice Voting and Its Effects on Third Parties
Quick fact
In ranked-choice voting, if no candidate wins a majority, the last-place candidate is eliminated and their voters' second choices are instantly redistributed—allowing third parties to 'safely' run without being spoilers.
Why this is interesting
Have you ever felt that voting for your favorite third-party candidate is a wasted vote? Ranked-choice voting might change that—but in surprising ways.
Read the full explanation
Understanding Ranked-Choice Voting and Its Effects on Third Parties
Think of a crowded race where you have one clear favorite but also a strong second and third choice. In normal plurality voting, you can only vote for one person, so you might hesitate to 'waste' your vote on a long-shot third-party candidate. Ranked-choice voting (RCV) lets you rank candidates from best to worst. When ballots are counted, if no one has over 50% of first-choice votes, the last-place candidate is eliminated, and those voters' second choices are added to the remaining candidates' totals. This repeats until someone wins a majority. This means you can vote honestly for your top choice without fearing you'll help your least favorite win—third parties can now compete without being 'spoilers' that split the vote. However, to actually win, a third-party candidate must be the second or third choice for many voters, so they need to appeal broadly, not just to a passionate niche.
A deeper explanation
The mechanism behind RCV's effect on third parties lies in eliminating the 'spoiler' dilemma. In plurality elections, a third party can draw votes from a major-party candidate who shares views, causing that major party to lose to an opposing candidate. Voters thus abandon the third party to avoid this outcome. RCV removes this pressure: you can rank the third-party candidate first, and your second choice still counts if your first is eliminated. This allows third parties to express their platform without being punished. Yet the need to win a majority forces third parties to become 'everyone's second choice,' pushing them toward more centrist or coalition-building stances. RCV also reduces negative campaigning because you want to be the second choice of your opponents' supporters. Therefore, while RCV helps third parties survive and gain visibility, it also tempers their radicalism and forces strategic adaptation—they trade the spoiler role for a coalition-builder role.