LOCAL INSIGHT

Live Seat Data Maps

Ideal for local parties, candidates, and campaigners, our new Live Seat Data Maps deliver live maps and data with predicted election results, vote shares and swings across UK constituencies.

Dive into detailed, seat-level data to sharpen your strategy and help to campaign smarter.

Find out more

MRP POLL

MRP Poll July 2026

Our new MRP poll for PLMR shows Labour in first place with a Burnham bounce, and Reform losing support to Restore Britain.

COMMENTARY

Commentary July 2026

Restore Britain's Threat to Reform

Richard Rose looks at danger to Reform from a divided right-wing vote.

IMMIGRATION POLL

Immigration Poll

Our exclusive poll for GB News shows most people disapprove of the government's handling of immigration, but blame for small boats is shared across the gangs and the British and French governments.

WELSH ELECTION

Welsh Senedd Election

Our exclusive analyst forecast for the Senedd Election on 7 May.

COMMENTARY

Commentary May 2026

What can Westminster learn from Local Elections?

Richard Rose looks at what the real message of the local elections is likely to be.

HOLYROOD MRP POLL

Holyrood MRP Poll

A new MRP poll for the National, shows the SNP likely to retain power at Holyrood, with Labour in a distant second place.

COMMENTARY

Commentary April 2026

Reform Well Ahead in Seats though Vote Drops

Richard Rose looks at the peak in Reform's vote and the rise of the Greens.

PSEPHOLOGY

Tactical Voting Analysis

Our major new poll with Find Out Now shows that anti-Reform tactical voting could cost Reform around 60 seats, with one-third of Labour voters prepared to vote Conservative to keep Farage out.

POLL ERROR

Polling errors in 2024

An analysis of polls for the 2024 election looks at possible causes of the polling error, and identifies a possible combination of two factors as potentially interesting.

POLITICAL MAPS

Data Map

Our uniquely detailed Data Map of Britain shows twelve political and social measures including past votes and political attitudes.

All available at various geographic levels of detail including parliamentary seats, district wards, and individual neighbourhood localities.

POLLING

A Voter's Guide to MRP

Our helpful introduction to MRP polling, how it works, and whether Labour will really win nearly 500 seats.

POLLING ANALYSIS

Low Cost MRP Regression

Electoral Calculus has pioneered low-cost MRP regression techniques for high-quality and insightful analysis of polling data.

PODCAST

Podcast: Should Andy Burnham call a Snap General Election?

Now that Andy Burnham is Prime Minister, should he call an early election or govern with Labour's 2024 majority? In the latest episode of Politics By Numbers, Electoral Calculus examines every Prime Minister since 1900 to see how past leaders handled the transition into office.

Watch on YouTube or Spotify.

ANIMAL WELFARE POLL

Elephant Welfare Poll

A poll, on hehalf of Save the Asian Elephants, shows the public concerned about animal welfare abroad and keen for the government to use its existing powers to make things better.

PODCAST

Podcast: Types of Polling Error

In the latest episode of Politics By Numbers, Electoral Calculus takes a look back at the 2024 general election and how the polling industry performed. While pollsters successfully predicted the first Labour victory in 19 years and a large majority, the final Labour lead over the Conservatives was overestimated by about 7pc.

Watch on YouTube or Spotify.

COMMENTARY

Commentary June 2026

Blocs of Parties Don't Win Seats

Richard Rose looks at the electoral chances of the left and the right overall, and why party divisions don't help the left.

HOLYROOD ELECTION

Scottish Parliament Election

Our exclusive analyst forecast for the Holyrood Election on 7 May.

PODCAST

Podcast: Politics 3D

Electoral Calculus discusses its new Politics 3D research, exploring how British public opinion is evolving beyond the traditional left-right spectrum.

The conversation looks at the emergence of distinct political "tribes", the fragmentation of the right, the cohesion of the left, and the group of people who are just fed up with politics.

Watch on YouTube or Spotify.

Segmentation

Three-D Politics 2026

Major new update of our periodic survey of political attitudes and the seven political tribes.

See how economic, cultural and liberty attitudes are spread across party supporters and the country.

MRP POLL

MRP Poll April 2026

Our new MRP poll for PLMR shows Reform down from their peak with Conservatives, Labour and Greens gaining ground.

LIVE UPDATES

Recent national opinion polls

Current state of party support nationally as measured by the opinion pollsters. Data are shown in both graphical and tabular form for national polls taken over the last month or so.

HISTORICAL DATA

A unique electoral data archive from 1955

Data includes historical data flat files of UK elections from 1955 to date plus our track record of predictions and much more.