ranked.vote // San Francisco Mayor

The San Francisco Consolidated Statewide Primary Election was held on June 5, 2018. London Breed was the winner out of 8 candidatesafter 2 elimination rounds.

London Breed was also the Condorcet winner.

London BreedMark LenoJane KimEliminated in round 2Angela AliotoEliminated in round 1Ellen Lee ZhouEliminated in round 1Richie GreenbergEliminated in round 1Amy Farah WeissEliminated in round 1Michelle BravoEliminated in round 1Write-In Antoine R. RogersEliminated in round 1

Runoff Rounds

This Sankey diagram shows the votes of each remaining candidate at each round, as well as the breakdown of votes transferred when each candidate was eliminated.

Note that the tabulation (but not the winner) may differ from the official count. You can read more about why this is.

Round 1Round 2Round 3London BreedMark LenoJane KimAngela AliotoEllen Lee ZhouRichie GreenbergAmy Farah WeissMichelle BravoWrite-In Antoine R. RogersExhaustedLondon BreedMark LenoExhausted

Pairwise Preferences

For every pair of candidates, this table shows the fraction of voters who preferred one to the other. A preference means that either a voter ranks a candidate ahead of the other, or ranks one candidate but does not list the other. Ballots which rank neither candidate are not counted towards the percent counts.

Less-preferred Candidate
Preferred Candidate
Michelle Bravo
London Breed
Mark Leno
Jane Kim
Richie Greenberg
Angela Alioto
Amy Farah Weiss
Ellen Lee Zhou
Write-In Antoine R. Rogers
Michelle Bravo3.4%3.8%4.7%28.6%8.1%19.9%23.1%99.8%
London Breed96.6%50.6%54.8%91.5%77.4%84.6%89.1%100%
Mark Leno96.2%49.4%53.2%90.6%75.2%93.4%88%100%
Jane Kim95.3%45.2%46.8%88.4%70.7%92.8%87.1%100%
Richie Greenberg71.4%8.5%9.4%11.6%17.8%37.6%41.5%99.9%
Angela Alioto91.9%22.6%24.8%29.3%82.2%70.7%75.7%100%
Amy Farah Weiss80.1%15.4%6.6%7.2%62.4%29.3%55.9%100%
Ellen Lee Zhou76.9%10.9%12%12.9%58.5%24.3%44.1%99.9%
Write-In Antoine R. Rogers0.2%0%0%0%0.1%0%0%0.1%

First Alternate

For every pair of candidates, this table shows the fraction of voters who ranked one candidate first ranked the other candidate second.

Second Choice
First Choice
Michelle Bravo
London Breed
Mark Leno
Jane Kim
Richie Greenberg
Angela Alioto
Amy Farah Weiss
Ellen Lee Zhou
Write-In Antoine R. Rogers
Exhausted
Michelle Bravo13.2%13%10.1%8.6%20.6%6.7%12.3%15.6%
London Breed1.2%30%22%2.4%16.8%1.9%3.5%0%22.2%
Mark Leno0.6%25.6%50.2%1.9%9.3%1.7%1.5%9.3%
Jane Kim0.5%17%66.8%0.5%4.8%2.9%2.4%5%
Richie Greenberg3.3%15.5%12.5%5.3%22.6%3.7%9.5%0%27.6%
Angela Alioto2.9%26.8%20.7%12.4%8.3%3.5%5.4%20%
Amy Farah Weiss5.3%11.2%19.4%34.2%5.4%10.4%6.4%7.7%
Ellen Lee Zhou2.1%25.1%10.9%12.9%10.8%17.9%2.7%17.6%
Write-In Antoine R. Rogers100%

Ranking Distribution

This shows how many candidates voters ranked, both overall and broken down by each candidate's first-choice supporters. This reveals whether some candidates attracted voters who ranked multiple candidates versus those who ranked fewer candidates.

Number of Candidates Ranked
Candidate
1
2
3
All Candidates
(251,032 voters)
14.6%16.4%69.0%
London Breed
(92,121 voters)
22.2%15.4%62.4%
Mark Leno
(61,416 voters)
9.3%20.1%70.6%
Jane Kim
(60,738 voters)
5.0%15.9%79.1%
Angela Alioto
(17,552 voters)
20.0%14.5%65.5%
Ellen Lee Zhou
(9,576 voters)
17.6%10.9%71.4%
Richie Greenberg
(7,051 voters)
27.6%16.5%55.9%
Amy Farah Weiss
(1,675 voters)
7.7%6.3%86.0%
Michelle Bravo
(900 voters)
15.6%11.8%72.7%
Write-In Antoine R. Rogers
(3 voters)
100.0%

Final Vote by First Choice

This table tracks which candidate ballots were ultimately allocated to, among ballots that ranked an eliminated candidate first.

Final Round Choice
First Round Choice
London Breed
Mark Leno
Exhausted
Michelle Bravo20.7%22.9%56.4%
Jane Kim19.7%71%9.4%
Richie Greenberg24.8%19.4%55.9%
Angela Alioto34.3%27.6%38.1%
Amy Farah Weiss19.6%47.5%32.9%
Ellen Lee Zhou37.9%17.7%44.4%
Write-In Antoine R. Rogers100%

This report was generated by ranked.vote and may be reproduced under CC-BY. Learn more about ranked.vote.

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