Anexo:Ciudades del Reino Unido por población
Esta lista incluye las ciudades del Reino Unido con más de 100.000 habitantes. Los datos de población son según el censo de la Office for National Statistics, perteneciente al año 2001.
| Posición | Ciudad | Nación constituyente | Población |
|---|---|---|---|
| 1 | Londres | Inglaterra | 9.000.000 |
| 2 | Birmingham | 970.892 | |
| 3 | Glasgow | Escocia | 629.501 |
| 4 | Liverpool | Inglaterra | 469.017 |
| 5 | Leeds | 443.247 | |
| 6 | Sheffield | 439.866 | |
| 7 | Edimburgo | Escocia | 430.082 |
| 8 | Bristol | Inglaterra | 420.556 |
| 9 | Mánchester | 394.269 | |
| 10 | Leicester | 330.574 | |
| 11 | Coventry | 303.475 | |
| 12 | Kingston upon Hull | 301.416 | |
| 13 | Bradford | 293.717 | |
| 14 | Cardiff | Gales | 292.150 |
| 15 | Belfast | Irlanda | 276.459 |
| 16 | Stoke-on-Trent | Inglaterra | 259.252 |
| 17 | Wolverhampton | 251.462 | |
| 18 | Nottingham | 249.584 | |
| 19 | Plymouth | 243.795 | |
| 20 | Southampton | 234.224 | |
| 21 | Reading | 232.662 | |
| 22 | Derby | 229.407 | |
| 23 | Dudley | 194.919 | |
| 24 | Newcastle upon Tyne | 189.863 | |
| 25 | Northampton | 189.474 | |
| 26 | Portsmouth | 187.056 | |
| 27 | Luton | 185.543 | |
| 28 | Preston | 184.836 | |
| 29 | Aberdeen | Escocia | 184.788 |
| 30 | Milton Keynes | Inglaterra | 184.506 |
| 31 | Sunderland | 177.739 | |
| 32 | Norwich | 174.047 | |
| 33 | Walsall | 170.994 | |
| 34 | Swansea | Gales | 169.880 |
| 35 | Bournemouth | Inglaterra | 167.527 |
| 36 | Southend-on-Sea | 160.257 | |
| 37 | Swindon | 155.432 | |
| 38 | Dundee | Escocia | 154.674 |
| 39 | Huddersfield | Inglaterra | 146.234 |
| 40 | Poole | 144.800 | |
| 41 | Oxford | 143.016 | |
| 42 | Middlesbrough | 142.691 | |
| 43 | Blackpool | 142.283 | |
| 44 | Bolton | 139.403 | |
| 45 | Ipswich | 138.718 | |
| 46 | Telford | 138.241 | |
| 47 | York | 137.505 | |
| 48 | West Bromwich | 136.940 | |
| 49 | Peterborough | 136.292 | |
| 50 | Stockport | 136.082 | |
| 51 | Brighton | 134.293 | |
| 52 | Slough | 126.276 | |
| 53 | Gloucester | 123.205 | |
| 54 | Watford | 120.960 | |
| 55 | Rotherham | 117.262 | |
| 56 | Newport | Gales | 116.143 |
| 57 | Cambridge | Inglaterra | 113.442 |
| 58 | Exeter | 106.772 | |
| 59 | Eastbourne | 106.562 | |
| 60 | Sutton Coldfield | 105.452 | |
| 61 | Blackburn | 105.085 | |
| 62 | Colchester | 104.390 | |
| 63 | Oldham | 103.544 | |
| 64 | Saint Helens | 102.629 | |
| 65 | Crawley | 100.547 |