Democratic benefits clear when the election system is changed -- electoral reform in Edmonton shows effect

When the same voters vote in two different elections systems and produce different results, it is clear that electoral rleform does make a difference

A Canadian example of such an opportunity is seen in the City of Edmonton (Canada), which went from first-past-the-post voting in 1917 Alberta general election, 

to five-member Block Voting in 1921 Alberta general election,

to five-member STV  in 1926,

then to FPTP again in 1959 Alberta general election.

One party swept all the Edmonton seats in 1917 under FPTP.

One party swept all the Edmonton seats in 1921 under Block Voting.

Under STV in 1926, two Conservatives, one Liberal, one Labour and one United Farmers MLA were elected.

Under STV in 1955, three Social Credit MLAs, three Liberals, and one Conservative were elected.

One party swept all the Edmonton seats in 1959 under FPTP.

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