General election forecast

Glasgow South

Predicted winner: SNP with 30.6% of the vote, a 0.2pp margin over Labour.

scotland · scotland

Predicted vote share

How the model expects this constituency to vote

SNP
30.6% +30.6pp
Labour
30.4% +30.4pp
Green Party
16.0% +16.0pp
Reform UK
11.0% +6.9pp
Conservative
3.9% +3.9pp
Lib Dem
3.4% +0.3pp
Restore
2.5% +2.5pp
Trade Unionist and Socialist Coalition
1.1% -0.0pp
Alba Party
1.0% -0.0pp
Plaid Cymru
0.2% +0.2pp
Other
0.0% 0.0pp

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

Sitting MP

Gordon McKee

See also: TheyWorkForYou

2024 general election result

What happened on 4 July 2024

CandidatePartyVotesShare
Gordon McKee Labour Party 17,696 41.8%
Stewart McDonald Scottish National Party (SNP) 13,542 32.0%
Niall Christie Scottish Green Party 5,554 13.1%
Danny Raja Reform UK 1,736 4.1%
Haroun Malik Conservative and Unionist Party 1,617 3.8%
Peter Michael McLaughlin Lib Dem 1,316 3.1%
Brian Smith Trade Unionist and Socialist Coalition 473 1.1%
Dhruva Kumar Alba Party 444 1.0%

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 Glasgow South, and what actually happened.

✗ Winner missed , predicted SNP, actual Labour. Major-party MAE: 6.20pp, the average gap between our predicted vote share and the actual share, per major party.

Predicted

Labour
30.3%
SNP
40.5%
Scottish Green Party
3.7%
Reform UK
13.2%
Conservative
0.0%
Lib Dem
5.5%
Trade Unionist and Socialist Coalition
0.0%
Alba Party
0.0%
Green Party
4.2%
Independent
1.0%
Workers Party
0.8%

Actual on 4 July 2024

Labour
41.8% -11.4pp
SNP
32.0% +8.5pp
Scottish Green Party
13.1% -9.4pp
Reform UK
4.1% +9.1pp
Conservative
3.8% -3.8pp
Lib Dem
3.1% +2.4pp
Trade Unionist and Socialist Coalition
1.1% -1.1pp
Alba Party
1.1% -1.1pp
Green Party
0.0% +4.2pp
Independent
0.0% +1.0pp
Workers Party
0.0% +0.8pp

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 Glasgow 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 →