Liverpool and Birmingham are the rudest cities in the UK, according to a survey yesterday.

Scousers and Brummies are on average the least likely to give up their bus seat for a pregnant woman or elderly person, open doors for women or be punctual.

Glasgow and Sheffield topped the politeness poll.

Around 99 per cent of Glaswegians said they always offer their bus seat to a pregnant woman or elderly person compared with only 88 per cent of Scousers and 90 per cent of people from Birmingham.

Sheffield residents are the most likely to be punctual, with 88 per cent claiming they would arrive on time for a dinner engagement or party.

Londoners are among the least punctual, with almost one quarter saying it is acceptable to arrive up to 15 minutes late.

The Scots were found to be the most chivalrous, with 86 per centof Glaswegian men and 79 per cent of those in Aberdeen admitting holding doors open for women compared with 62 per cent in Birmingham and Liverpool.

More than 1,500 people took part in the online survey between January 22 and February 1.

The study was carried out by supermarket chain Somerfield.

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