Saskatchewan 2007

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Bear in mind that the NDP was way behind in the run-up to the 2003 election and managed to actually increase their share of the vote.

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Are these Regionalist Parties popular in all of the provinces, or are Sask. and Quebec the only ones, and what effect could more of these parties cropping up have?

There's also a Yukon Party. They're generally the result of the Progressive Conservatives in the province renaming themselves when the PCs became massively unpopular nationally in the early 1990s, though the local Quebec parties are an entirely different phenomenon. The Saskatchewan Party and the Yukon Party aren't regionalist, just conservative.

Each province has its own group of local parties that only occasionally correlates well with the national parties. Here's a list, ordered by number of seats in each province:

The Yukon
Yukon Party
Liberal Party
New Democratic Party

British Columbia
BC Liberal Party (unconnected to the national Liberals and quite conservative)
New Democratic Party

Alberta
Progressive Conservative Party
Liberal Party
New Democratic Party
Alberta Alliance

Saskatchewan
New Democratic Party
Saskatchewan Party

Manitoba
New Democratic Party
Progressive Conservative Party
Liberal Party

Ontario
Liberal Party
Progressive Conservative Party
New Democratic Party

Quebec
Parti liberal du Quebec / Quebec Liberal Party
Action democratique du Quebec
Parti quebecois

New Brunswick
Liberal Party
Progressive Conservative Party

Nova Scotia
Progressive Conservative Party
New Democratic Party
Liberal Party

Prince Edward Island
Progressive Conservative Party
Liberal Party

Newfoundland and Labrador
Progressive Conservative Party
Liberal Party
New Democratic Party

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34-24, looks like (though three NDP members are not yet declared elected). The Liberals performed dismally everywhere except where there leader ran, and even there they came in third.

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36-22 it looks like, Sask Party has won

Ah, yes, REFOOORM wins. I'm sure you loved the Reform Party.

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NDP holding Meadow Lake is amusing. For why, go check who the Sask Party candidate was...

Desnethé—Missinippi—Churchill River may not be as much of a shoe-in for a Conservative by-election gain as some seem to think...

[Verily]

Considering that was my first attempt at a provincal election, I think I did very well indeed. Based on the fnal results I was projecting 7 Sask gains (and of those seven, only two didn't). Can I ask when the next provincal election is and where?

Probably Alberta next spring unless the Quebec or Nova Scotia government collapses first. Nunavut could happen before Alberta, but they have a non-partisan system and practically no voters.