Recent polling shows Labour have lost support to the Conservatives among working-class voters

Percentage of support among working class voters

Socio-economic group

C1

C2

DE

2015 election campaign

45

38

33

32

29

25

Ed Miliband

Labour

David Cameron

Conservative

2017 election campaign

50

43

42

35

31

26

Jeremy Corbyn

Labour

Theresa May

Conservative

Socio-economic group

C1

C2

DE

2015 election campaign

2017 election campaign

50

45

43

42

38

35

33

32

31

29

26

25

Jeremy Corbyn

Labour

Theresa May

Conservative

Ed Miliband

Labour

David Cameron

Conservative

Guardian graphic | Source: ICM. Note: fieldwork carried out 3-6 May 2015, and 3-5 May 2017. C1 – supervisory, clerical & junior managerial, administrative, professional occupations; C2 – skilled manual occupations; DE – semi-skilled & unskilled manual occupations, unemployed and lowest grade occupations