What is the Least Populated Country in the World?

By BYJU'S Exam Prep

Updated on: November 9th, 2023

The least populated country in the world is Vatican City. As of 2020, according to the latest United Nations World Population Prospects, Vatican City has a population of 801. Vatican City State is located on Vatican Hill, on the right bank of the Tiber River.

Least Populated Country in the World

The Vatican City State is an independent city-state located within Rome in Italy. The Lateran Treaty, signed on February 11, 1929, established the modern city-state of Vatican City. The Vatican is the smallest country by area, covering just 0.49 square kilometers, and it is also the least populated country in the world.

Vatican City is the headquarters of the Roman Catholic Church, where the Pope resides. Vatican City is governed by the Holy See.

  • One of the most important sources of funding for the economy of Vatican City is tourism.
  • The official language of the state is Italian, and the currency is Euro (€).
  • St Peter’s Basilica, the world’s largest church, is located in the least populated country in the world.

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