1. Since Vatican is governed by the Bishop of Rome, the Pope, its government can be described as ecclesiastical and the highest state functionaries are in fact clergymen.
2.Vatican is the smallest independent nation state in the world in terms of area and population.
3. The permanent population of the Vatican City is predominately male, although two orders of nuns live in the Vatican.
4. Many workers in the Vatican City live outside its walls, including the Swiss Guard and embassy personnel.
5. Citizenship can be achieved by stable residence and by holding an office or job within the city.