Busto Arsizio's 2026 population is now estimated at 670,910. In 1950, the population of Busto Arsizio was 333,332. Busto Arsizio has grown by 2,236 in the last year, which represents a 0.33% 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 Busto Arsizio, which typically includes Busto Arsizio's population in addition to adjacent suburban areas.
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Rome | 4,361,370 | 0.33% |
| Milan | 3,174,960 | 0.24% |
| Naples | 2,185,610 | 0.16% |
| Turin | 1,814,300 | 0.25% |
| Bergamo | 927,164 | 0.43% |
| Palermo | 852,768 | 0.18% |
| Bologna | 821,709 | 0.29% |
| Florence | 715,242 | 0.23% |
| Padova | 702,862 | 0.35% |
| Genoa | 675,015 | 0.11% |
| Verona | 646,276 | 0.34% |
| Seregno | 641,521 | 0.4% |
| Bari | 626,930 | 0.21% |
| Catania | 590,058 | 0.21% |
| Brescia | 498,049 | 0.36% |
| Como | 494,348 | 0.35% |
| Cagliari | 479,957 | 0.21% |
| Latina | 469,560 | 0.47% |
| Taranto | 462,639 | 0.2% |
| Caserta | 434,143 | 0.26% |
| Salerno | 424,227 | 0.24% |
| Treviso | 387,781 | 0.42% |
| Pescara | 385,765 | 0.32% |
| Modena | 365,286 | 0.34% |
| Barletta | 343,444 | 0.21% |
| Parma | 337,694 | 0.36% |
| Vicenza | 335,259 | 0.35% |
| Nola | 331,025 | 0.28% |
| Lecco | 314,874 | 0.32% |
| Venice | 259,150 | 1% |
| Messina | 229,565 | 0.99% |
| Trieste | 203,234 | 1% |
| Prato | 194,913 | 1.01% |
| Reggio Calabria | 178,760 | 1% |
| Perugia | 166,969 | 1% |
| Ravenna | 158,058 | 1% |
| Livorno | 157,024 | 1% |
| Rimini | 151,200 | 1.01% |
| Foggia | 149,904 | 1% |
| Ferrara | 132,195 | 1% |
| Sassari | 126,769 | 1% |
| Giugliano in Campania | 125,058 | 1.01% |
| Monza | 124,051 | 1% |
| Trento | 118,902 | 1% |
| Terni | 110,530 | 1% |
| Bolzano | 107,407 | 1% |
| Piacenza | 104,315 | 1% |
| Novara | 103,985 | 1% |
| Ancona | 100,282 | 1% |
| Andria | 99,307 | 1% |
| Arezzo | 99,258 | 1% |
| Udine | 99,051 | 1% |
| Cesena | 97,190 | 1% |
| Pesaro | 96,832 | 1% |
| Lecce | 96,534 | 1% |
| Alessandria | 93,634 | 1% |
| La Spezia | 93,288 | 1% |
| Pisa | 91,393 | 1% |
| Pistoia | 90,677 | 1% |
| Guidonia Montecelio | 90,457 | 1.01% |
| Lucca | 90,055 | 1.01% |
| Catanzaro | 88,313 | 0.99% |
| Brindisi | 85,881 | 0.99% |
| Torre del Greco | 83,987 | 1% |
| Marsala | 82,456 | 1% |
| Grosseto | 82,378 | 1% |
| Sesto San Giovanni | 81,841 | 1% |
| Varese | 80,645 | 1% |
| Pozzuoli | 80,074 | 0.99% |
| Cinisello Balsamo | 76,264 | 1% |
| Casoria | 76,205 | 0.99% |
| Asti | 75,528 | 1% |
| Gela | 74,858 | 1% |
| Aprilia | 74,190 | 1.01% |
| Ragusa | 73,638 | 1% |
| Pavia | 72,773 | 1% |
| Cremona | 72,077 | 1% |
| Quartu Sant'Elena | 70,879 | 1% |
| Lamezia Terme | 70,834 | 1% |
| Altamura | 70,514 | 1% |
| Imola | 69,936 | 1% |
| Massa | 69,037 | 1% |
| Trapani | 67,923 | 1% |
| Viterbo | 67,798 | 1.01% |
| Cosenza | 67,239 | 0.99% |
| Potenza | 67,211 | 1% |
| Castellammare di Stabia | 65,922 | 1% |
| Afragola | 64,817 | 1% |
| Vittoria | 64,212 | 1% |
| Crotone | 63,941 | 1% |
| Pomezia | 63,641 | 1.01% |
| Vigevano | 63,153 | 1% |
| Carrara | 62,537 | 0.99% |
| Caltanissetta | 62,317 | 1% |
| Viareggio | 62,079 | 1% |
| Fano | 60,978 | 0.99% |
| Savona | 60,632 | 1% |
| Matera | 60,403 | 1% |
| Olbia | 60,261 | 1.01% |
| Legnano | 60,177 | 1% |
| Acerra | 59,910 | 1.01% |
| Marano di Napoli | 59,862 | 1% |
| Benevento | 59,789 | 1% |
| Molfetta | 59,470 | 1% |
| Agrigento | 59,329 | 1% |
| Faenza | 58,797 | 1% |
| Cerignola | 58,540 | 1% |
| Moncalieri | 57,234 | 1% |
| Foligno | 56,999 | 1% |
| Manfredonia | 56,906 | 1% |
| Tivoli | 56,542 | 1% |
| Cuneo | 56,281 | 1% |
| Trani | 56,031 | 1% |
| Bisceglie | 55,385 | 1% |
| Bitonto | 55,127 | 1% |
| Bagheria | 55,047 | 1% |
| Anzio | 54,710 | 1% |
| Portici | 54,577 | 1% |
| Modica | 54,530 | 1% |
| Avellino | 54,353 | 1% |
| Teramo | 54,338 | 1% |
| Siena | 53,901 | 1% |
| Gallarate | 53,425 | 1% |
| Velletri | 53,188 | 1% |
| San Severo | 53,015 | 0.99% |
| Aversa | 52,794 | 1% |
| Ercolano | 52,763 | 1% |
| Civitavecchia | 52,671 | 1% |
| Acireale | 52,269 | 1% |
| Mazara del Vallo | 51,488 | 1% |
| Rovigo | 51,149 | 1% |
| Pordenone | 51,127 | 1% |
| Battipaglia | 51,005 | 1% |
| Rho | 50,904 | 1% |
| Chieti | 50,770 | 0.99% |
| Scafati | 50,686 | 1% |
| Scandicci | 50,645 | 1% |
