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Writer's pictureOliver Johnson

Broadband speeds and the UK election

The data files for the 2024 general election were published in the last few weeks.  Listing the constituencies, candidates, vote share, change and other bits you can download them yourself here

and if you want to relate it all to postcode level data then there’s a lookup here

 

Some outcomes

We will build up to a relationship (if any) between broadband and voting but first some guidance for potential candidates in 2029. 

  • There were 28.8M votes cast across 4,515 candidates in 650 constituencies.

  • There were 99 parties with candidates across those constituencies, we’ve put a table with all the votes by party at the bottom of this post.  Ultimately 15* parties were elected.*Bundling all ‘independents’ together.

  • The highest vote share was 74.3% (Lindsey Hoyle, Speaker of the House) and the lowest was 0.049% from an Independent candidate standing in Holborn & St Pancras.

  • The best performing Conservative in terms of vote share was Bob Blackman in Harrow East with 53.3%.  Rishi Sunak was next for the Conservatives and scored 47.5%.  He was 154th in the vote share ranks.


  • There were more than 100 candidates with the first name ‘David’.  Just over 900 candidates had a ‘unique’ first name in the set of all those standing, over 4,500 people. 

 

Broadband: votes, parties and constituencies 

Our analysis focuses on fixed broadband.  Which means a wire (copper, co-axial or glass) from a telephone exchange to a premises. 


  • The constituency with the fastest downstream broadband available is Ashton-under-Lyne where ISPs like YouFibre drive the average available bandwidth over 6Gbps across all postcodes in the area.  Angela Rayner’s constituents can watch dozens of HD streams simultaneously if they wish.  

  • The slowest constituency is Na h-Eileanan an Iar in Scotland where the average bandwidth available is only 75Mbps, less than 2% of the speeds achieved in Ashton.  

  • Labour constituencies have faster downstream bandwidths available, on average, than any other party apart from the Greens, the SDLP and the Speaker but only just ahead of Reform UK.  

Party 

Constituency 

count 

Average of max bandwidth (Mbps) 

Speaker 

2,497 

SDLP 

1,828 

Green 

1,811 

Lab 

411 

1,198 

RUK 

1,189 

SF 

1,027 

Ind 

993 

APNI 

981 

DUP 

954 

TUV 

909 

LD 

72 

898 

UUP 

894 

Con 

121 

850 

SNP 

547 

PC 

435 

Grand Total 

650 

1,087 

There does appear to be a relationship between country and bandwidth highlighted at the constituency level.  The SNP and Plaid Cymru are both well below the averages in other areas.  This aligns with the national picture where much of the rural population has access to lower speeds particularly in devolved nations. 


The relatively small sample size outside the top three UK parties makes any assumptions or extrapolations unwise.  If we look at the larger parties we stand a better chance of seeing what, if any, relationships there are between broadband speeds and vote share. 


This is the basis of our (null) hypothesis.  Change in vote share for Labour has no connection with change in bandwidth.   


This diagram plots the change in bandwidth since the last election versus the change in Labour vote share. 

bandwith broadband general election

You could with a charitable eye say there is some relationship and in pairwise tests there does appear to be some significance for faster speeds correlated with a higher swing to Labour.   


However much like the relationships we saw with Brexit, where higher bandwidth broadband appeared to have a relationship with voting Remain, these effects are covariates with other demographic factors. 


Faster and higher take-up of broadband is associated with younger, more affluent, often urban and educated cohorts.  If you include those factors, or proxies for them, and review the relative impacts, broadband availability and speed has little impact in the UK today on how we choose to vote. 

 

That said there is certainly some relationship and the table of Results and average bandwidth again suggests a link between Labour vote, and in particular Labour vote churned from Conservatives as opposed to Conservative holds. 

Result 

Average of max bandwidth Mbps 

Count of Result 

Lab hold 

1,353 

193 

Lab gain from Con 

1,078 

182 

Con hold 

848 

120 

LD gain from Con 

907 

60 

Lab gain from SNP 

972 

36 

SNP hold 

585 

LD hold 

973 

SF hold 

1,027 

DUP hold 

954 

RUK gain from Con 

1,189 

Ind gain from Lab 

990 

LD gain from SNP 

605 

PC hold 

469 

SDLP hold 

1,828 

Green gain from Con 

757 

PC gain from Con 

400 

TUV gain from DUP 

909 

Green hold 

966 

APNI gain from DUP 

981 

Green gain from Lab 

4,762 

Spk hold 

2,497 

Con gain from Lab 

1,079 

UUP gain from DUP 

894 

Ind gain from APNI 

1,006 

SNP gain from Con 

244 

Certainly being online has an effect on our opinions and actions.  The internet and the algorithms that govern much of what we see on our favourite pages and applications, and most people visit only 4 or 5 sites on a regular basis, has had an impact on all of us. 

  

Past a certain point though our own ‘bandwidth’ is maxed out, at least as far as any further impact on voting.  Once you can easily access multiple channels/sites/inputs at one time, which almost all the UK can, the impact has been made and the marginal effect of more speed is limited. 

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