I’m not taking sides on the wider argument here, but I think it’s you who should check your sources? Copy pasting direct from wikipedia:

> The city of Bradford is 45.8% White according to the latest 2021 census data, with the White British population being 40.5%. 45.3% of the city's population is Asian, primarily from the Pakistani community

https://en.wikipedia.org/wiki/City_of_Bradford

> According to figures from the 2021 census, 48.7% of the population was White (42.9% White British

https://en.wikipedia.org/wiki/Birmingham