The survey found 63 per cent think Scotland should not be an independent country, with 18 per cent in favour of independence and 19 per cent unsure.
The TNS poll discovered 40 per cent of English and Welsh adults believed Scottish independence would leave the rest of the UK worse off, with 18 per cent believing a Yes vote would make the rest of the UK better off.
Despite the potential implications for the union, the poll found a high level of disengagement in England and Wales, with only 55 per cent saying they cared about the outcome of Thursday’s vote and more than a quarter (28 per cent) saying they did not care.
Almost a third (32 per cent) of those questioned said Scottish independence would lead to the rest of the UK having less influence on the world stage, up 10 points since the question was asked in June.
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Some 45 per cent said Scottish independence would have no impact on the global standing of the remaining members of the UK, and 5 per cent said the absence of the Scots would increase the UK’s influence.
TNS Omnibus interviewed a representative sample of 1,124 adults in England and Wales between September 11 and 15.