Annual grocery bills have risen by £454, according to closely-watched industry data tracking the cost of thousands of everyday products.
The latest report on the supermarket sector, released by Kantar Worldpanel, showed price inflation stood at 9.9% in early July - the second-highest level it had ever recorded since comparable records began in 2008.
It noted there had been no slowdown in the pace of price increases on the previous four weeks, as supply chain issues continue to combine with high energy and fuel prices to drive up costs up across the industry.
Fraser McKevitt, head of retail and consumer insight at Kantar, said: "Grocery prices continue to soar to near record-breaking heights and have jumped by another 1.6 percentage points since
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