Wales has changed its mind over Brexit and would now vote to stay in the EU, poll finds

Wales voted to leave the EU by 52.5 per cent to 47.5 per cent on 23 June

Only 86 per cent of those who voted Leave said they would do so again, suggesting some voters may be suffering 'Bregret' (Getty)

Welsh voters now back staying in the European Union, a poll has found.

An ITV Wales/Cardiff University YouGov poll found Welsh voters would vote Remain by 53 per cent and Leave by 47 per cent if there was a second EU referendum.

Wales voted to leave the EU by 52.5 per cent to 47.5 per cent on 23 June.

"In short, there is not much overall change," said Professor Roger Scully, of Cardiff University's Wales Governance Centre.

"But that which has occurred is in the direction of growing support for the idea of the UK remaining in the EU - roughly a six percentage point swing in this direction since the referendum."

"The key words there, though, are 'since the referendum'," he added.

"Unless those supporting continued EU membership can find some way of over-turning or re-running the vote, their views may now count for very little."

While 97 per cent of those who voted Remain said they would still do so again, only 86 per cent of those who voted Leave said they would again, suggesting some may be suffering "Bregret".

The poll results also mirrored patterns seen across the UK: Suport for Remain was strongest among younger voters and supporters of Labour and Plaid Cymru, while Leave was stronger among older voters and supporters of the Conservatives and Ukip.

David Cameron has warned his successor as prime minister cannot guarantee EU funding for Wales will continue after the vote to leave.

Research from Cardiff University suggested the region enjoys an annual net benefit of £245 million from the UK's membership.