As of 2023, the population of Vatican City is about 764 residents, regardless of citizenship. However, according to the latest estimates from the UNs World Population Prospects, as of 2020, the population of Vatican City is 801 people, which ranks it 235th in the world. It is worth noting that Vatican City is the smallest country in the world, with an area of only 49 hectares (121 acres) . The population is composed of clergy, other religious members, laypeople serving the state (such as the Swiss Guard) and their family members. All citizens, residents, and places of worship in the city are Catholic.