General election forecast

Paisley and Renfrewshire South

Predicted winner: SNP with 30.7% of the vote, a 0.9pp margin over Labour.

scotland · scotland

Predicted vote share

How the model expects this constituency to vote

SNP
30.7% +30.7pp
Labour
29.9% +29.9pp
Reform UK
19.2% +12.0pp
Green Party
10.1% +10.1pp
Conservative
4.8% +4.8pp
Lib Dem
4.0% +0.8pp
Independent
0.7% -0.1pp
Plaid Cymru
0.3% +0.3pp
Freedom Alliance
0.3% +0.0pp
Other
0.0% 0.0pp

Coloured number is the swing from the 2024 general election result.

Sitting MP

Johanna Baxter

See also: TheyWorkForYou

2024 general election result

What happened on 4 July 2024

CandidatePartyVotesShare
Johanna Baxter Labour Party 19,583 47.4%
Jacqueline Cameron Scottish National Party (SNP) 13,056 31.6%
Jim McIlroy Reform UK 2,956 7.2%
Alec Leishman Conservative and Unionist Party 2,219 5.4%
Athol Bond Scottish Green Party 1,724 4.2%
Jack Clark Lib Dem 1,315 3.2%
Paul Mack Independent 317 0.8%
Mark Turnbull Freedom Alliance 113 0.3%

Source: Returning officer declaration

How accurate is the model here?

Our 2024 backtest for this constituency

We replayed the same model architecture against the 4 July 2024 general election using only the data a forecaster running the model in May 2024 would have known. Here's what it would have predicted for Paisley and Renfrewshire South, and what actually happened.

✗ Winner missed , predicted SNP, actual Labour. Major-party MAE: 8.16pp, the average gap between our predicted vote share and the actual share, per major party.

Predicted

Labour
27.4%
SNP
43.2%
Reform UK
14.1%
Conservative
0.1%
Scottish Green Party
0.3%
Lib Dem
6.9%
Independent
1.5%
Green Party
4.8%
Workers Party
0.9%

Actual on 4 July 2024

Labour
47.4% -20.1pp
SNP
31.6% +11.6pp
Reform UK
7.2% +7.0pp
Conservative
5.4% -5.3pp
Scottish Green Party
4.2% -3.9pp
Lib Dem
3.2% +3.7pp
Independent
0.8% +0.7pp
Green Party
0.0% +4.8pp
Workers Party
0.0% +0.9pp

Positive gap = we predicted that party would win more share than they did. See the full GE backtest across all 650 seats for the model's national accuracy.

How this forecast was built
  1. GE2024 Baseline. Actual GE2024 result in Paisley and Renfrewshire South
  2. National Swing (Strong Transition Model). Multiplicative bounded swing, losers shed in proportion to local share, gainers absorb pro-rata national gain. Replaces additive UNS.
  3. BES MRP Prior. Baseline blended with BES Wave 1-30 scotland prior at weight 5%
  4. Normalise. Shares scaled to 100%

Read the full general election methodology →