Counting the votes
When voting is finished, one of 2 counting systems is used to determine the results:
- preferential counting
- proportional counting.
Votes can be counted manually or by computer. We are required by law to count this way. You can read more in the Electoral Act 2002 and Local Government Act 2020.
Preferential vote counting
The preferential counting system is used to count votes in the state Lower House and councils with single-councillor wards.
How preferential votes are counted
When there is only one vacancy, so one person is elected, we use preferential counting.
Voters choose candidates by numbering all the boxes on a ballot paper in order of preference. This means voters rank all candidates in order of their preference, with 1 being their most preferred.
To win, a candidate must have more than half (more than 50%) of all first preference votes. This is known as an 'absolute majority'.
If no candidate has an absolute majority, we conduct a preference distribution.
The candidate with fewest votes is excluded and their votes are passed on to other candidates according to voters' preferences.
This process is repeated until one candidate has an absolute majority.
Elections that use preferential counting
Preferential counting is used in:
- the Victorian Parliament's Lower House
- single-councillor wards in local councils
- the Melbourne City Council leadership team.
Proportional vote counting
Proportional representation is a way of counting votes in an election when there is more than one person to be elected.
How proportional representation works
When more than one person is to be elected, we use proportional counting.
To be elected, candidates must receive a proportion of votes known as a 'quota'.
The quota is calculated by dividing the total number of formal ballot papers by one more than the number of candidates to be elected, and then adding one to the result.
For example, if there were 140 formal votes and 3 candidates to be elected, the quota would be (140/(3+1))+1 = 36 votes.
Any candidate who receives the quota is elected. Any votes they receive over the quota are then passed on to other candidates according to voters' preferences.
If no candidate achieves the quota, or if there are still vacancies after all the votes over the quota have been passed on, the candidate with the fewest votes is excluded. Their votes are passed on to other candidates according to voters' preferences. The process is repeated until all vacancies are filled.
Elections that use proportional counting
Proportional counting is used in:
- the Victorian Parliament's Upper House
- multi-councillor wards
- unsubdivided councils
- Melbourne City Council councillors.
Computerised calculation
ComputerCount lets us hold computerised counts for certain elections in the presence of scrutineers (if appointed). This software can calculate a result for both preferential and proportional representation count methods.
The ComputerCount functionality was initially implemented in 2000 and is fully developed and maintained by the VEC. The ComputerCount code and functionality has been independently audited (most recently in 2020) to meet the requirements for the election set out in the:
- Electoral Act 2002, sections 114, 114A and 115
- Local Government Act 2020, section 263 and Divisions 6 and 7 of Part 8
- City of Melbourne Act 2001, section 18.
Click on the links to view C# source code used in the ComputerCount module (formatted as text).
Audit reports downloads: