The SNP’s Scottish polling lead remains apparently insurmountable

National voting intention, constituency vote

60%

SNP

40

Con

20

Lab

Lib Dem

Other

0

Apr 2020

Jul

Oct

Jan 2021

Apr

National voting intention, constituency vote

60%

SNP

40

Conservative

20

Labour

Lib Dem

Other

0

Apr 2020

Jul

Oct

Jan 2021

Apr

Guardian graphic. Source: Polling companies. Data presented is a 10-poll rolling average, constituency polls only.