People and Society of Holy See

Nationality

None

Population

800

Life Expectancy at Birth

Life expectancy at birth is a key demographic indicator, yet for the Holy See — the sovereign entity governing the Catholic Church and headquartered within Vatican City — this metric carries unusual complexity. The Holy See is among the smallest and most unique sovereign entities in the world, with a permanent population estimated at only around 800 to 1,000 people. This population consists almost entirely of clergy, members of religious orders, and a small number of lay workers and Swiss Guard personnel, making standard demographic statistics difficult to calculate in the same way they are for typical nation-states. Because of this extraordinarily small and highly selective population, the Holy See does not report conventional life expectancy figures to international bodies such as the World Bank or the World Health Organization in the same manner as other countries. The resident population skews heavily male and is largely composed of adults who have already passed through childhood, which would naturally affect any raw calculation of life expectancy at birth. If measured informally against the broader Italian population — from which many Vatican residents originate or with whom they share healthcare access — life expectancy would be broadly comparable to Italy's figures, which rank among the highest in the world. Italy's life expectancy at birth is approximately 83 to 84 years, reflecting high-quality healthcare, Mediterranean dietary habits, and strong social support systems. Vatican residents generally have access to the same advanced Italian and European medical infrastructure, including the renowned hospital networks of Rome. It is worth noting that the Holy See does not maintain its own hospitals or maternity wards. No births are recorded as occurring within Vatican City itself in modern times, which further renders the concept of "life expectancy at birth" as a statistical category largely inapplicable in the traditional sense. For travelers and students researching the Holy See, these demographic peculiarities are a reflection of its singular status as a non-traditional sovereign entity defined by religious mission rather than conventional statehood.

• Roman Catholic99.0%
• Other1.0%

Italian, Latin, French, various other languages

• Italian
• Latin