Employment is about 70% as well.
I think the main thing is to do with people who are unemployed and not looking for work, which would including people who are retired.
A bit of research suggests the following:
Generally, even as former mining communities, the Makerfield constituency isn’t doing particularly badly. Wigan is largely responsible for lower stats, house prices.
The area is 95% white (mostly White British).
Average age: 51, median 40…