Rome is the most populous city in Italy. With 2.75 million inhabitants, the capital of the country put ahead Milan and Naples. Compared to the number of citizens in 2012, the resident population of Rome increased by over 140,000 individuals. Regional data Rome is located in the center of Italy in the Lazio region. Lazio is the second-largest region in terms of population size after Lombardy. In 2024, the region counts roughly 5.7 million inhabitants, whereas Lombardy has over ten million individuals. The third-largest region is Campania, with 5.6 million people. Naples, the major center of Campania, has around 910,000 inhabitants at the beginning of 2024. Nevertheless, this city was, back in the 19th century, one of the largest cities in Western Europe. Tourism in Rome The Eternal City is also the main tourist destination in Italy and was the eighth most-visited city in Europe. The largest groups of international visitors in Rome came from the United States of America, Japan, and the United Kingdom. Every year, more and more tourists also enjoy the best-known tourist attractions in Rome, like the Colosseum, the Roman Forum, and the Palatine Hill, which together recorded almost ten million visitors in 2022.

Paris was Western Europe's largest city in 1650, with an estimated 400 thousand inhabitants, which is almost double it's population 150 years previously. In second place is London, with 350 thousand inhabitants, however it has grown by a substantially higher rate than Paris during this time, now seven times larger than it was in the year 1500. Naples remains in the top three largest cities, growing from 125 to 300 thousand inhabitants during this time. In the previous list, the Italian cities of Milan and Venice were the only other cities with more than one hundred thousand inhabitants, however in this list they have been joined by the trading centers of Lisbon and Amsterdam, the capital cities of the emerging Portuguese and Dutch maritime empires.

In 2023, the metropolitan city of Milan ranked first in terms of crime rate, as it recorded 7,100 felonies per 100,000 inhabitants. Furthermore, the provinces of Rome and Florence followed with around 6,000 cases reported. In Milan, burglaries in shops and thefts were much more common than in any other Italian provinces. Frequent car thefts The Southern province of Barletta-Andria-Trani, in the region of Apulia, was the place in Italy with the highest rate of stolen cars. Roughly 697 cases per every 100,000 residents were registered in 2019. Catania had the second-largest rate with about 656 reports. Nationwide, the three most frequently stolen car models belonged to Fiat, the leading Italian vehicle manufacturer. Moreover, a Lancia car model ranked fourth. This company was also part of the Fiat Group, which, however, only sells vehicles in Italy. Mafia associations  In the last years, the number of mafia associations in Italy experienced a decline. However, there are still dozens of mafia-type organizations in the country. The Southern region of Campania was the place faced with the largest amount of crime associations. In total, 67 of such crimes were reported in Campania in 2019.