stv.vote // Aberdeen, Scotland George St-Harbour

The Aberdeen, Scotland May 2022 was held on May 5, 2022. 4 seats were filled using Single Transferable Vote from 7 candidates over 6 rounds.

In STV, candidates who reach the quota (686 votes) are elected. Surplus votes above the quota are transferred to voters' next preferences. When no candidate reaches the quota, the candidate with the fewest votes is eliminated and their votes are transferred.

Elected candidates:

  1. Michael Hutchison
  2. Dell Henrickson
  3. Sandra Macdonald
  4. Desmond Bouse

Votes needed to win: 686 votes 3,4274+1+1\left\lfloor \frac{3,427}{4 + 1} \right\rfloor + 1

Votes needed to win: 686Michael HutchisonElected in round 1Dell HenricksonElected in round 2Sandra MacdonaldElected in round 4Desmond BouseElected in round 7Guy IngersonEliminated in round 6Shane PainterEliminated in round 5Mac Ahmed ChaudryEliminated in round 3

STV 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 elected (surplus transfers) or 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 3Round 4Round 5Round 6Michael HutchisonDell HenricksonSandra MacdonaldGuy IngersonDesmond BouseShane PainterMac Ahmed ChaudryExhausted22.2%20%19.8%13.8%11.4%10.9%20%22.1%19.8%13.9%11.4%10.9%20%20%20%14.6%12%10.9%20%20%20.3%15%12.3%11.2%20%20%20%15.3%12.3%11.2%20%20%20%16%17.6%6.4%Michael HutchisonDell HenricksonSandra MacdonaldGuy IngersonDesmond BouseExhausted

Candidate Clustering

This visualization shows candidates positioned based on second-choice transfers. Candidates whose voters frequently rank each other appear closer together, forming natural "clusters" or voting blocs.

Distance is based on the First Alternate table below — if voters who rank candidate A first often rank candidate B second (and vice versa), they'll appear close together. In STV, proportional representation means winners should be distributed across different clusters, representing diverse voter preferences.

Circle size indicates first-round vote share. Green circles are elected candidates. Hover over candidates to see their top second-choice transfers.

BouseChaudryHenricksonHutchisonIngersonMacdonaldPainterLegendElectedNot elected

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.

Note: In multi-seat STV elections, pairwise preferences show overall voter sentiment but don't directly determine outcomes, since votes transfer through multiple elimination and surplus rounds.

Less-preferred Candidate
Preferred Candidate
Desmond Bouse
Michael Hutchison
Dell Henrickson
Sandra Macdonald
Guy Ingerson
Shane Painter
Mac Ahmed Chaudry
Desmond Bouse0%34.9%36.2%40.4%41.7%69.9%77.5%
Michael Hutchison65.1%0%54.7%59.2%64.6%75.1%84%
Dell Henrickson63.8%45.3%0%58.3%63.7%74.2%82.9%
Sandra Macdonald59.6%40.8%41.7%0%48.9%76%79.4%
Guy Ingerson58.3%35.4%36.3%51.1%0%70.7%80.1%
Shane Painter30.1%24.9%25.8%24%29.3%0%51%
Mac Ahmed Chaudry22.5%16%17.1%20.6%19.9%49%0%

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
Desmond Bouse
Michael Hutchison
Dell Henrickson
Sandra Macdonald
Guy Ingerson
Shane Painter
Mac Ahmed Chaudry
Exhausted
Desmond Bouse0%9%10.5%26.3%15.3%13.3%8.4%17.1%
Michael Hutchison2%0%81.4%5.4%5.4%0.7%0.8%4.5%
Dell Henrickson1.2%84.5%0%3.9%5.4%0.4%0%4.5%
Sandra Macdonald22.1%9.7%6.6%0%15.3%13.6%3.4%29.2%
Guy Ingerson14.3%37.1%18.4%16.5%0%1.7%3.2%8.9%
Shane Painter22.9%2.1%1.6%31.2%3.7%0%6.7%31.7%
Mac Ahmed Chaudry15.9%9.5%12.7%14.3%14.3%12.7%0%20.6%

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

card