Together Sainsbury's and Asda would have a market share of 31.4%

Tesco, Sainsbury's, Asda and Morrisons have all lost market share over the past decade as Aldi, Lidl and Waitrose have made gains

March 2018

March 2008

0

5

10

15

20

25

30

Tesco 27.6% (2018)

Sainsbury's 15.8

Asda 15.6

Morrisons 10.4

Aldi 7.3

Co-op 6.0

Lidl 5.3

Waitrose 5.0

Iceland 2.1

Sainsbury's & Asda 31.4