Change to preferential ballot would benefit Liberals - Action News
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PoliticsAnalysis

Change to preferential ballot would benefit Liberals

The Liberals promise that the 2015 election will be the last to have been decided by the first-past-the-post electoral system. Though proportional representation is a potential replacement, the Liberals' preferred option of a preferential ballot would play in their favour.

The electoral reform option the Liberals prefer would have given them an even bigger victory in October

Which party would benefit from a change in voting systems?

9 years ago
Duration 3:44
Eric Grenier looks at how the last election may have played out using different voting systems

It is often said that a party that wins an election has little incentive to change the rules that brought it victory. But what if arule changeincreases that party'sodds of winning again and by an even larger margin?

A number of options are on the table for the Liberals as they move to fulfil their promise of changing the way Canadians elect their MPs.But based on an analysis of October's federal election results,the system that is the party's preferred option would have delivered Justin Trudeauan even greater victory than he won a month ago.

The ministerial mandate letter sent to Maryam Monsef, Canada's minister of Democratic Institutions, laid outthe tasks shewill be expectedto complete in her new role.

Among other things, she was directed to "bring forward a proposal to establish a special parliamentary committee to consult on electoral reform, including preferential ballots [and]proportional representation." The goal is to make good on Trudeau's pledge that the 2015 federal election would be the last decided via the first-past-the-postsystem.

Voting options

With FPTP, voters casta ballot to elect alocal representative, the candidate receiving the most votes booking a ticket to Ottawa. Some of the criticisms of this system arethat most voters do not get the MP they voted for, and that it is a system that often produces majority governmentswith the winning party capturing less than a majority of votes. The Liberals took 39.5 per cent of the vote on Oct. 19, but won 54.4 per cent of the seats on offer. This is the norm in Canada only two of the last 10 majority governments elected had more than 50 per cent of the vote.

Proportional representation is one proposed solution. This can take different forms and use different methods forapportioning votes, but the end goal is to get representation in the legislature proportionate to the votes each party received.

Had a proportional representation system been in place to decide how the 338 seats in the House of Commons would be distributed, the Liberals would have won 134 seats, the Conservatives 109 seats, the New Democrats 67 seats, the Bloc Qubcois 16 seatsand the Greens 12 seats.

Compared with the results of the 2015 election, proportional representation would have penalized the Liberals to the benefit of the other parties. The Liberals would have been awarded 50 fewer seats, with the NDP gaining 23, the Greens 11, the Conservatives 10, and the Bloc six.

Preferential ballot boostsLiberals

Though proportional representation will be part of the consultations, the Liberals are more likely to opt for a preferential ballot. It is the option preferred by the prime minister.

It is also the option that is most likely to help the Liberals win more seats.

Ontario MP Maryam Monsef, minister of Democratic Institutions, will spearhead plans to change the way Canadians elect members of Parliament. (Chris Wattie/Reuters)
With a preferential ballot, voters indicate which candidate is theirfirst choice, second choice, third choiceand so on. If no candidate wins a majority of first-choice ballots, thecandidate in last placeis dropped and those votes are distributed according to who was identified as these voters' second choice.

Candidates continue to be dropped and their votes redistributed until one candidate reaches the 50 per cent threshold, ensuring that a majority of voters get an MP they preferover at least some of the other candidates.

An analysis of the results of the federal election, combined withregional-level second-choice polling conductedat the end of the campaign, suggests thathad a preferential ballot been the method used to elect MPs on Oct. 19,all else being equal,the Liberals would havewon an even larger majority.

Estimates of the results of the 2015 federal election with the implementation of proportional representation and a preferential ballot. (ric Grenier)
Based on this analysis, the Liberals would have seen their seat total balloon from 184 to 224 seats, a gain of 40 seats over their actual performance. The Conservatives'seat total would have slid to 61 from 99, a drop of 38 seats, while the New Democrats would have been boosted slightly to 50 seats from 44. The Greens would not have increased their tally, while the Bloc would have dropped to two seats from 10.

The Liberals benefit from this system because they get almost all of the second-choice support from NDP voters, and are the preferred option for Conservative voters over the New Democrats.

In all, the Liberals would have either placed first or lost on the final ballot in 76 per cent of ridings, compared with 45 per cent for the Conservatives and just 26 per cent for the New Democrats. That means that Conservative candidates would have been dropped off ina majority of ridings before a winner was decided, while the NDP's candidates would have been dropped off in almostthree-quarters of ridings.

The Conservatives are the consensus second choice of no group of voters, meaning that unless the Conservative candidate takes a very large proportion of the vote on the first ballot (well over 40 per cent) he or shewould be overtaken by either the Liberal or NDP candidate whomight have initially trailed by 20 points.

Change in campaigning

The New Democrats would be better off in contests against the Conservatives under this system, as they pick up the support of Liberals and Greens. And they do better than the Conservatives in one-on-one battles with the Liberals, losing about 61 per cent of those races to the Liberals instead of the Conservatives' loss rate of 88 per cent in Tory-Liberal races.

Of course, a change in the electoral system would transform how the partiescampaign. Energizing the base and taking swing voters away from other partieswould no longer be enough leaders would also need to woo supporters of their opponents for those second-choice votes, and avoid alienating other voters entirely.

These estimates of how a change in the electoral system could have changed the results of the last election assume that voters do not behave much differently andthat, more importantly, the parties do not overhaul their political strategies in order to adapt to a new system. But these limitations in this speculative exercise only serve to underline how important it would be for the oppositionparties to take a different approach tocampaigning if they don't, it mightbe even harder to win next time.