The BRC-KPMG Retail Sales Monitor (RSM) is an accurate monthly measure of UK wide retail sales performance that acts as both a benchmark for participating retailers and as a key economic indicator. The RSM measures changes in the actual value of retail sales based on figures supplied directly by participating members representing over 60% of the industry by turnover. Originally set up at the request of BRC members to benchmark their own business performance against the wider industry, the BRC-KPMG Retail Sales Monitor is an authoritative measure on the health of the UK retail sector and the wider economy.