The data displays the leading department store retailers in the UK in 2012 and 2017, represented by their respective share of the market. Marks and Spencer, Debenhams and House of Fraser all saw a decrease in their market share over the five year period, while the market share of the three other retailers increased. Marks and Spencer went from being the leading retailer with 29.1% of the market in 2012 to falling below John Lewis in 2017, with a market share of 23.3 percent, compared to John Lewis' 25%.
