SMP: Single Member Constituencies
Institution | Description
Electoral Based on geographical boundaries (small local constituencies).
Districts Similar number of voters in each electoral district
Single Member One person is elected for each electoral district.
- Candidate with most votes becomes representative for that electoral district.
- Does not need majority of votes.
Hypothetical Riding: 20,000 total votes
Who wins? Conservative candidate
Why do they win? Won one more vote then nearest competitor
Wide Support? No – only 17%
SMPand Majority Governments
SMP tends to produce majority governments, in which one party wins a majority of the
seats in the House.
- Over-rewards major parties: large parties can win seats simply because they
have more votes in a riding than other parties.
- Under-rewards minority parties: smaller parties struggle to get more votes than
major parties in a riding – as such will not win a seat, even though they have
2011 Federal Election
Party Percent Vote Percent Seats
Conservative 40 54 NDP 31 33
Liberals 19 11
Bloc 06 1.0
Green 04 0.3
Supporters of SMP
- Majority Government = Stable Government: Prime Minister/Cabinet is very
secure in the exercise of power