| City | 2026 Pop. ↓ |
|---|---|
| Tower Hamlets | 343,937 |
| Tameside | 243,351 |
| Trafford | 242,961 |
| Telford and Wrekin | 201,479 |
| Thurrock | 184,346 |
| Tendring | 160,360 |
| Thanet | 143,372 |
| Torbay | 141,279 |
| Teignbridge | 140,869 |
| Tonbridge and Malling | 139,460 |
| Test Valley | 138,259 |
| Tunbridge Wells | 120,817 |
| Tewkesbury | 106,001 |
| Three Rivers | 96,683 |
| Torfaen | 94,863 |
| Tandridge | 91,750 |
| Tamworth | 81,912 |
| Torridge | 70,770 |