UK Opinion Polls Show Shift Towards “In” for EU Vote

Student George Smith, a supporter of "Britain Stronger IN Europe", campaigns in the lead up to the EU referendum at Holborn in London, Britain June 20, 2016. REUTERS/Luke MacGregor

LONDON, June 21 – Opinion polls published in the days ahead of Thursday’s referendum have mostly shown a shift towards keeping Britain in the European Union, but the race still looks too close to call.

Prior to the most recent polls, in the period between June 10 and June 16, “Out” led in seven of nine polls, rattling investors in markets around the world.

Betting odds, provided by gambling firm Betfair, gave the “In” campaign a 75 percent probability of winning, up from as low as 59 percent last week.

Here is a summary of the most recent polls:


An ORB telephone poll of 800 people for the Daily Telegraph newspaper, published late on Monday, put support for “In” at 53 percent, with “Out” on 46 percent.

The previous poll by ORB, published a week earlier, had put the “Out” camp ahead by one point.

“All the signs of ORB’s latest and final poll point to a referendum that will truly come down to the wire,” said Lynton Crosby, a political strategist who advised the ruling Conservative Party at the last national election in 2015.


A YouGov online poll for the Times newspaper, also published late on Monday, gave “Out” a 44-42 percent lead over “In.” YouGov’s previous poll had put “In” one point ahead when it was published in the Sunday Times newspaper.

The survey interviewed 1,652 people between Friday and Sunday. Of those questioned, 9 percent said they did not know how they would vote and 4 percent said they would not vote.


A poll from the social research organisation conducted between May 16 and June 12 put the “In” camp on 53 percent, while the “Out” camp was on 47 percent.

The survey, which was conducted online and by telephone, had a sample size of 1,632 respondents. Sixty-five percent of the interviews were done by May 26.


A Survation telephone poll for the Mail on Sunday put support for “In” at 45 percent, with “Out” on 42 percent.

Survation’s previous poll, which was published on June 16 for financial markets firm IG, had shown “Out” ahead of “In” by the same margin.

The new Survation poll was conducted on Friday and Saturday, after the murder of a member of parliament from the opposition Labour party who was a staunch “In” supporter.

John Curtice, a polling expert from Strathclyde University, told the Mail on Sunday it was “far from clear” if the turnaround was the result of criticism of the Leave campaign following the death of Jo Cox.

Six more polls on EU voting intentions are due to be published in the coming days.

TUESDAY – IG, a financial markets firm, will announce the results of a telephone survey by Survation at 1230 GMT.

WEDNESDAY – Details of a telephone poll by ComRes for ITV television and the Daily Mail newspaper are expected to be published at some point during the day.

Polling firms Opinium and TNS are also expected to publish their latest poll findings. Both are online surveys.

THURSDAY – Details of a telephone poll by Ipsos MORI for the Evening Standard newspaper are expected to be published during the day.

The findings of a YouGov poll, based on interviews conducted online on Thursday, are due to be announced by Sky News after the close of voting at 2100 GMT.

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