Exact(43)
And London, where a supplementary vote system has blessed us with Boris Johnson as mayor.
London's mayor is elected through perhaps the next simplest system after that: supplementary vote.
In 2016, Berry won 5.8% of first-round votes under the supplementary vote system.
The mayoral part of the elections is conducted under the supplementary vote system (SV), a short version of the alternative vote.
The poll shows Johnson securing 43% of votes in the first round of an election conducted under the supplementary vote system, with Livingstone on 41%.
The message from the polls is that under this "supplementary vote" system, either would be of equal value to the two frontrunners in the race.
Similar(17)
But he worried that new voters would lack knowledge and judgment, and fixed on supplementary votes as a defense against ignorance.
To understand how they affect the result, we need to look at how the supplementary voting system works.
About £100,000 has been spent producing the booklet, which explains more about the new role and the supplementary voting system being used.
The election has been carried out using the supplementary voting system, where voters pick their first preference candidate, and a second preference.
An infrequently used variant is the supplementary-vote system, which was instituted for London mayoral elections.
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