| City | 2026 Pop. ↓ |
|---|---|
| Birmingham | 1,199,447 |
| Bradford | 570,186 |
| Bristol | 504,401 |
| Barnet | 411,361 |
| Brent | 356,957 |
| Bromley | 337,506 |
| Bolton | 315,960 |
| Brighton and Hove | 285,339 |
| Bexley | 259,894 |
| Barnsley | 254,879 |
| Barking and Dagenham | 239,031 |
| Bath and North East Somerset | 204,131 |
| Bury | 201,135 |
| Bedford | 200,968 |
| Basingstoke and Deane | 196,925 |
| Basildon | 196,141 |
| Braintree | 167,439 |
| Blackburn with Darwen | 165,346 |
| Breckland | 149,172 |
| Bridgend | 148,747 |
| Blackpool | 144,731 |
| Broadland | 141,055 |
| Bracknell Forest | 133,565 |
| Bassetlaw | 127,409 |
| Broxtowe | 115,512 |
| Blaby | 110,916 |
| Bromsgrove | 103,127 |
| Broxbourne | 102,957 |
| Burnley | 101,604 |
| Babergh | 98,818 |
| Bolsover | 85,204 |
| Brentwood | 79,924 |
| Boston | 71,881 |
| Blaenau Gwent | 67,758 |