Are they? London - 8.8m - https://en.wikipedia.org/wiki/London Birmingham - 1.1m - https://en.wikipedia.org/wiki/Birmingham Manchester - 552k (2.7m ur

Are they? London - 8.8m - https://en.wikipedia.org/wiki/London Birmingham - 1.1m - https://en.wikipedia.org/wiki/Birmingham Manchester - 552k (2.7m urban region) - https://en.wikipedia.org/wiki/Manchester Glasgow - 632k (1m in the urban region) - https://en.wikipedia.org/wiki/Glasgow They're not strictly accurate, but are reasonably close. Also, those Wikipedia numbers are from 2021.