Ranked-choice voting does not change who can win an election; it changes what counts as winning. In Maine, Alaska, and Portland, Oregon, a candidate cannot take office on a plurality alone — the tabulation runs in rounds, eliminating the weakest candidate each time and redistributing their voters' next choice, until someone clears a real majority threshold.
What problem is ranked-choice voting solving?
The mechanism exists to answer one question differently: does a winner need more votes than anyone else, or more than half of everyone who voted? Maine's Secretary of State describes the standard version plainly — voters rank candidates in order of preference, and "votes are tabulated in rounds, with the lowest-ranked candidates eliminated in each round until there are only two candidates left," per the state's official ranked-choice voting FAQ (SRC-01). The last candidate standing needs more than 50% of the remaining vote, not merely the most votes of several contenders.
How does a single round actually work?
Alaska's Division of Elections lays out the sequence in its statutory guidance: a candidate wins outright in the first round if they clear "50% + 1 vote." If nobody does, "the candidate with the fewest votes gets eliminated," and every ballot cast for that candidate moves to whichever candidate the voter ranked next (SRC-02). Ballots for candidates who are still in the race do not move at all. The state repeats this — count, check for a majority, eliminate the last-place finisher, recount — until two candidates remain and the round's leader wins. Alaska law resolves a tie for last place "by lot," which in practice means the director's office flips a coin or draws straws (SRC-02).
Why does the process take days instead of hours?
Elimination rounds are not simulated on election night unless a candidate already has a majority. In Maine, if no one clears 50% in a race with three or more candidates, ballots and voting-machine memory devices are "securely transported to a central tabulation site in Augusta" for the multi-round count (SRC-01). Alaska's clock is set by statute rather than by convenience: tabulation rounds do not begin until "after the last counting of ballots on the 15th day following election day," a pause built in so that mailed and cured ballots are counted before any round starts (SRC-02). That gap is why ranked-choice results routinely post well after election night without signaling a problem with the count.
What happens when there is more than one seat to fill?
Single-winner ranked-choice voting is one design; multi-winner is another, and Portland, Oregon runs both under the same city charter. For the mayor and auditor — single-winner offices — Portland's tabulation guidance describes the same elimination-and-transfer sequence used in Maine and Alaska: whoever tops 50% in a round wins, and if no one does, "the candidate with the fewest votes is eliminated and any votes for that candidate are shifted to those voters' next choice" (SRC-03). For the city's three-member district council seats, the threshold changes because there are three winners to seat, not one. "Any candidate receiving more than 25% of the votes is declared a winner," and once a candidate crosses that line, their surplus votes — the ballots beyond what they needed to win — also shift to voters' next choice, alongside the usual elimination of last-place finishers, until three candidates have each cleared the 25% line (SRC-03). Portland calls this method single transferable vote, and it is built to keep council seats from all going to the same bloc of voters.
Why did Minneapolis need 33 rounds in one race?
The elimination-by-one-round-at-a-time method scales badly with a crowded field. Minneapolis's 2013 mayoral election had enough candidates that the count required 33 rounds of tabulation spread across three days before a winner emerged, according to CBS News's account of the city's ranked-choice history (SRC-04). A decade later, a 2023 city council race in Ward 8 needed only two rounds: the first-place leader fell short of a majority, and the race was settled once second-choice votes were added in for the trailing candidates, CBS News reported (SRC-04). The contrast is the mechanism working as designed in both cases — the round count depends on how fragmented first-choice support is, not on anything going wrong with the tabulation.
What actually causes ranked-choice results to change after election night?
Two things move a result after the initial tally, and neither is a recount in the traditional sense. First, incoming ballots that were mailed, cured, or counted late get folded into the total before any elimination round runs — Alaska's 15-day wait exists specifically for this. Second, once the round-by-round elimination starts, an early leader can lose if their support was concentrated among voters whose second choices split away from them, while a candidate in second or third place gains ground as multiple eliminated candidates' voters converge on them. That is a function of how voters ranked their ballots, not evidence of an error in the count.
| Jurisdiction | Race type | Winning threshold | When counting starts |
|---|---|---|---|
| Maine | Single-winner (statewide/legislative) | More than 50% in the final round | Central tabulation in Augusta if no majority on election night |
| Alaska | Single-winner (statewide) | 50% + 1 vote | Begins on the 15th day after election day |
| Portland, OR | Single-winner (mayor, auditor) | More than 50% in a round | Set by city elections office; page does not specify a fixed day |
| Portland, OR | Multi-winner (three district councilors) | More than 25% per seat, with surplus transfer | Set by city elections office; page does not specify a fixed day |
Frequently asked questions
- Does ranked-choice voting let one voter's ballot count more than once? No. Each ballot counts once per round for whichever candidate is still in the race and ranked highest on that ballot; when a voter's top choice is eliminated or has more votes than needed, the same single ballot simply moves to the next preference the voter marked.
- Can a candidate who led after round one still lose? Yes. Maine's and Alaska's procedures both allow a first-round leader without a majority to be overtaken as later rounds redistribute eliminated candidates' votes, which is the scenario built into the method rather than a sign of a miscount.
- Why do multi-winner races use a 25% threshold instead of 50%? Portland's district council seats elect three people from one field, so the threshold is set near one divided by the number of seats plus one; crossing roughly 25% is enough to claim one of three seats without requiring a majority of the whole electorate.
For a related policy perspective, read Bid Protests: How the 100-Day Clock Actually Works.