Rising cost of Christmas as price of festive feast has soared by up to 28% Since the election poultry us up 14.6%, potatoes 28% and sweets 18.3% Wages are up just 6% since May 2010 despite a return to economic growth Labour warns there will be 'real worry' about the cost of celebrating But new poll shows voters don't think they would be better off with Labour Cost: There have been above inflation rises in the cost of poultry, potatoes and cakes since the election, while wages have risen by just 6 per cent With just shopping 11 days left until Christmas, all of the big name supermarkets have launched campaigns claiming to offer the best deals. But figures compiled by Labour show how the price of festive favourites have risen dramatically. The figures also reveal that vegetables have risen by 7.2 per cent and beer 11.4 per cent, slower than the rate of inflation. Squeeze: This graph shows the increase in prices since May 2010 compared to the rise in wages, which means families are having to make their money go further Most voters believe they would be no better off financially under a Labour government, polling has found. Around a third of voters - 32 per cent - think the opposition would leave them with less cash in their pockets while nearly the same amount - 31 per cent - said they would be 'much the same as I am today'. A quarter of adults believed they would have more money, the YouGov survey for The Sun found. Labour leader Ed Miliband's electoral strategy is based on the so-called 'cost of living crisis' and has included a pledge to cap energy bills for 20 months if he wins in 2015. According to the research, confidence in the party's ability to handle the economy is low, with 42 per cent believing it would be in a worse state if Labour had won last time. Overall the Conservatives are on 35 per cent, Labour on 39 per cent, Ukip on 11 per cent and the Lib Dems on 9 per cent. Labour's shadow cabinet minister Michael Dugher said: "David Cameron's cost-of-Christmas crisis is hitting families up and down the country. Out of touch ministers need to spend time around the kitchen tables of those paying bills or nervous about the Christmas shopping. Families are £1,600 a year worse off under David Cameron and there is real worry this winter that the basics are unaffordable, treats are out of reach and better times out of sight. What we need is a lasting recovery for all, based on job-creation, a freeze on energy bills and support for working families. He added: "Families should be able to celebrate without compromise at Christmas but the fact so many cannot celebrate as they wish this festive period only underlines the damage done by David Cameron's government." The Department for Environment, Food and Rural Affairs said it was trying to reduce food prices. A spokesman said: 'Farming is now a global industry and is susceptible to the market when prices rise as well as when they fall. The Government is working to reduce price increases by opening up global markets and promoting competition in our own food and farming industries.