Cagliari's 2025 population is now estimated at 478,929. In 1950, the population of Cagliari was 231,256. Cagliari has grown by 871 in the last year, which represents a 0.18% annual change.These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Cagliari, which typically includes Cagliari's population in addition to adjacent suburban areas.
| City | 2025 Pop. ↓ | Growth |
|---|---|---|
| Rome | 4,347,100 | 0.35% |
| Milan | 3,167,450 | 0.22% |
| Naples | 2,182,170 | 0.1% |
| Turin | 1,809,850 | 0.23% |
| Bergamo | 923,221 | 0.5% |
| Palermo | 851,282 | 0.12% |
| Bologna | 819,297 | 0.3% |
| Florence | 713,615 | 0.2% |
| Padova | 700,391 | 0.39% |
| Genoa | 674,241 | 0.03% |
| Busto Arsizio | 668,674 | 0.36% |
| Verona | 644,081 | 0.37% |
| Venezia | 643,284 | 0.22% |
| Seregno | 638,979 | 0.45% |
| Bari | 625,606 | 0.18% |
| Catania | 588,820 | 0.18% |
| Brescia | 496,260 | 0.4% |
| Como | 492,616 | 0.38% |
| Cagliari | 478,929 | 0.18% |
| Latina | 467,352 | 0.56% |
| Taranto | 461,729 | 0.16% |
| Caserta | 433,012 | 0.25% |
| Salerno | 423,216 | 0.22% |
| Treviso | 386,170 | 0.48% |
| Pescara | 384,545 | 0.33% |
| Reggio Emilia | 380,283 | 0.52% |
| Modena | 364,037 | 0.37% |
| Barletta | 342,721 | 0.18% |
| Parma | 336,487 | 0.39% |
| Vicenza | 334,102 | 0.38% |
| Nola | 330,100 | 0.28% |
| Lecco | 313,867 | 0.34% |
