Britain’s vote to leave the EU was the result of widespread anti-immigration sentiment, rather than a wider dissatisfaction with politics, according to a major survey of social attitudes in the UK.

Findings from the British Social Attitudes (BSA) survey published on Wednesday show Brexit was the result of widespread concern over the numbers of people coming to the UK – millions of whom have done so under the EU’s freedom of movement rules in recent years.

The research, collated by the National Centre for Social Research through a survey of nearly 3,000 British people, states suggestions by politicians and others that the Brexit vote represented a lightning rod for a general disenchantment with politics were “widely off the mark”.

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Nearly three-quarters (73 per cent) of those who are worried about immigration voted Leave, compared with 36 per cent of those who did not identify this as a concern, the research found, showing the discrepancy in views about immigration between Remain and Leave voters.

It also reveals that the longer any given voter felt EU migrants should have lived in the UK before qualifying for welfare benefits, the more likely they were to vote to leave the EU.

Meanwhile, 45 per cent of those who trust the Government a great deal or tend to trust it voted to leave, compared with 65 per cent of those who distrust it greatly — marking a less considerable difference and suggesting trust in politicians was less of a driving factor in the vote for Brexit.

While the survey results find that those with less interest in politics may have been a little more likely to make it to the polls than in general elections, the multivariate analysis concludes that the vote was a “litmus test of the merits of the EU project”.

It states that for the most part, only items associated with people’s sense of national identity and cultural outlook were significantly associated with vote choice, concluding that the outcome of the referendum reflected the concern of more “authoritarian”, socially conservative voters in Britain about some of the social consequences of EU membership, most notably immigration.

Roger Harding, head of public attitudes at NatCen, told The Independent: “For leave voters, the vote was particularly about immigration and the social consequences of it.

“We find a bit of correlation with people who don’t trust Government, but that’s not nearly as strong. Two biggest guides to why people voted leave were those most concerned with immigration and those with a lower level of education.

“On the topic of immigration itself – we found a big divide between young graduates who were positive about the social impact on immigration and older school leavers who were much more negative. The view in Britain on aggregate is pretty middling, but underneath is that stark divide, and this division could be a problem for all political parties trying to win over the country post-Brexit.”

Shape Created with Sketch. In pictures: European Parliament Brexit discussions Show all 12 left Created with Sketch. right Created with Sketch. Shape Created with Sketch. In pictures: European Parliament Brexit discussions 1/12 European commission member in charge of Brexit negotiations with Britain, French Michel Barnier listens at the President of the European Commission Jean-Claude Juncker speaking at the European Parliament in Strasbourg Getty Images 2/12 Frank-Walter Steinmeier, President of the Federal Republic of Germany, delivers his speech at the European Parliament in Strasbourg EPA 3/12 European Union's chief Brexit negotiator Guy Verhofstadt, President of the Group of the Alliance of Liberals and Democrats for Europe (ALDE), addresses the European Parliament during a debate on Brexit priorities and the upcomming talks on the UK's withdrawal from the EU Reuters 4/12 Michel Barnier, European Chief Negotiator for Brexit reacts during a meeting at the European Parliament in Strasbourg EPA 5/12 Member of the European Parliament and former leader of the anti-EU UK Independence Party (UKIP) Nigel Farage wears socks with Union Jack flag at the European Parliament in Strasbourg Getty Images 6/12 Nigel Farage, United Kingdom Independence Party (UKIP) member and MEP, addresses the European Parliament during a debate on Brexit priorities and the upcoming talks on the UK's withdrawal from the EU Reuters 7/12 European commission member in charge of Brexit negotiations with Britain, French Michel Barnier gestures during speeches at the European Parliament in Strasbourg Getty 8/12 The President of the European Commission Jean-Claude Juncker (L) speaks with European commission member in charge of Brexit negotiations with Britain, French Michel Barnier at the European Parliament in Strasbourg Getty 9/12 European Union's chief Brexit negotiator Guy Verhofstadt, President of the Group of the Alliance of Liberals and Democrats for Europe (ALDE), addresses the European Parliament during a debate on Brexit priorities and the upcomming talks on the UK's withdrawal from the EU Reuters 10/12 Getty 11/12 German president Frank-Walter Steinmeier delivers a speech during a plenary session at the European Parliament in Strasbourg Getty 12/12 The European Parliament in Strasbourg, eastern France Getty Images 1/12 European commission member in charge of Brexit negotiations with Britain, French Michel Barnier listens at the President of the European Commission Jean-Claude Juncker speaking at the European Parliament in Strasbourg Getty Images 2/12 Frank-Walter Steinmeier, President of the Federal Republic of Germany, delivers his speech at the European Parliament in Strasbourg EPA 3/12 European Union's chief Brexit negotiator Guy Verhofstadt, President of the Group of the Alliance of Liberals and Democrats for Europe (ALDE), addresses the European Parliament during a debate on Brexit priorities and the upcomming talks on the UK's withdrawal from the EU Reuters 4/12 Michel Barnier, European Chief Negotiator for Brexit reacts during a meeting at the European Parliament in Strasbourg EPA 5/12 Member of the European Parliament and former leader of the anti-EU UK Independence Party (UKIP) Nigel Farage wears socks with Union Jack flag at the European Parliament in Strasbourg Getty Images 6/12 Nigel Farage, United Kingdom Independence Party (UKIP) member and MEP, addresses the European Parliament during a debate on Brexit priorities and the upcoming talks on the UK's withdrawal from the EU Reuters 7/12 European commission member in charge of Brexit negotiations with Britain, French Michel Barnier gestures during speeches at the European Parliament in Strasbourg Getty 8/12 The President of the European Commission Jean-Claude Juncker (L) speaks with European commission member in charge of Brexit negotiations with Britain, French Michel Barnier at the European Parliament in Strasbourg Getty 9/12 European Union's chief Brexit negotiator Guy Verhofstadt, President of the Group of the Alliance of Liberals and Democrats for Europe (ALDE), addresses the European Parliament during a debate on Brexit priorities and the upcomming talks on the UK's withdrawal from the EU Reuters 10/12 Getty 11/12 German president Frank-Walter Steinmeier delivers a speech during a plenary session at the European Parliament in Strasbourg Getty 12/12 The European Parliament in Strasbourg, eastern France Getty Images

Mr Harding added that the BSA survey didn’t question people directly on why they voted the way they did in the referendum, but rather assessed the correlations, which he said offered a more accurate insight.

“We didn’t ask people directly why they voted the way they voted, because people aren’t the best guides to how they voted,” he said.

“We did a deeper and more accurate assessment by calculating close correlations. We found the Leave vote relates to concerns about immigration and education. Many politicians have come out and said it was all about sovereignty and other things, but our findings indicate this isn't the case.

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