...by 12 Dec 2021, as reported by the UKHSA vaccine surveillance report week 50.
assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/1041593/Vaccine-surveillance-report-week-50.pdf
That is over 21 million people who have not yet taken up any vaccination in this part of the country.
Even if we deduct the 0-12 yr age group (roughly about 8 million), we're still left with over 13 million unvaccinated people. Not sure about Wales, Northern Ireland and Scotland, but clearly vaccine hesitancy rates are a lot higher in England than some think.