Aldi has been named the fastest-growing retailer as the price of groceries skyrockets.
Food costs have increased at their fastest rate in 11 years, adding an extra £271 to the amount average households will pay at the till this year. Data from Kantar showed that grocery price inflation hit 5.9% in April, as the number of items on promotion decreased. It is the fastest rise since December 2011.
Campaigner Jack Monroe recently criticised supermarkets for taking their cheapest everyday items off shelves. She argued that inflation - which tracks the cost of the same items over time - is an imperfect way of measuring how much prices are increasing because the cheapest products are no longer available.
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Fraser McKevitt, head of retail and consumer insight at Kantar, said supermarkets have been listening, with Asda, Morrisons and Tesco all taking steps to offer cheaper food to customers. Kantar found that supermarket sales dropped 5.9% over the 12 weeks to April 17.
Sales are also, for the first time since the pandemic started, 0.6% below where they were two years ago. This period now takes into account the early days of the first lockdown.
Aldi is the fastest-growing retailer, with its sales increasing 4.2%, while Lidl saw a 4% rise. Mr McKevitt said: "Over one million extra shoppers visited Aldi and Lidl respectively over the past 12 weeks compared with this time last year.
"Both retailers achieved record-breaking market shares, with Aldi now holding 8.8% while Lidl stands at 6.6%. Collectively, the two discounters account for 15.4% of the market - up from just 5.5% a decade ago."
Tesco was the only other retailer whose market share grew over the period - by 0.3 percentage points to 27.3%. Mr McKevitt said some customers are stocking up on goods that might become scarce because of Russia's invasion of Ukraine.
He said: "Last weekend several supermarkets introduced restrictions on cooking oil purchases as concerned consumers filled up their cupboards.
"The combination of rising prices and increased demand saw the cooking oil market grow by 17% over April. Sunflower oil, Britain's most popular choice for frying, and vegetable oil grew even faster - up by 27% and 40% respectively."
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