Latest Opinium Opinion Polls - UK Voting Intention Tracker
Every Opinium poll since the 2024 General Election, updated whenever a new poll is released.
Opinium is a British Polling Council member. At the 2024 General Election Opinium's final poll (1 to 3 July, n=2,219) had Labour 41, Conservatives 21, Reform 17, Lib Dems 11 and Greens 7. Versus the actual GB result this overstated Labour by 6.3 points, understated the Conservatives by 3.4 points and overstated Reform by 2.3 points, with smaller errors on Lib Dems and Greens.
7-poll moving average from Opinium's own polls.
How Opinium's final pre-election call compared to the actual GB result.
See how current polling translates into parliamentary seats.
Seat Calculator Demographic SwingometerWhat is the latest Opinium poll?
PollCheck shows the most recent Opinium UK voting intention poll on this page, including vote shares for Reform UK, Labour, Conservative, the Liberal Democrats and Greens, alongside fieldwork dates and sample size. The page updates whenever Opinium publishes a new poll.
How often does Opinium poll UK voting intention?
Opinium publishes UK voting intention polls regularly throughout the year. Every Opinium poll since the 2024 General Election is included in the table on this page.
How accurate was Opinium at the 2024 General Election?
Opinium's final 2024 GE poll (1 to 3 July, n=2,219) had Labour at 41%, Conservatives at 21%, Reform at 17%, Lib Dems at 11% and Greens at 7%. Versus the actual GB result this overstated Labour by 6.3 points, understated the Conservatives by 3.4 points and overstated Reform by 2.3 points, with smaller errors on Lib Dems and Greens. Opinium is a member of the British Polling Council.