Voters rank some or all candidates in order of their choice.
All voters rank the five candidates in order of preference.
Voters have consistently ranked moral values as either the first or the second most important reason for making their decision.
By 1935, the poll was conducted using a points system where voters ranked their top three choices.
Voters must rank every candidate on the ballot in order for their vote to count.
In the following example 45 voters rank 5 candidates.
In a fairer system, voters would rank their first, second and third choices.
There were 76 candidates on the ballot paper, whom voters ranked by preference.
Then there are systems in which voters rank their choices in some way.
The party will use a preferential ballot on which voters rank their choices.