| City | 2026 Pop. ↓ |
|---|---|
| Aberdeenshire | 265,488 |
| Aberdeen City | 232,929 |
| Armagh City, Banbridge and Craigavon | 225,789 |
| Arun | 172,996 |
| Ards and North Down | 166,791 |
| Antrim and Newtownabbey | 149,640 |
| Ashford | 144,853 |
| Amber Valley | 132,207 |
| Ashfield | 131,052 |
| Angus | 114,357 |
| Argyll and Bute | 87,654 |
| Adur | 65,132 |