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A recent estimate by Worldometer reveal that several countries have fewer inhabitants than many towns or cities. Predominantly island nations or microstates, these countries are often celebrated for their peaceful way of life, picturesque landscapes, and unique cultural identities. Despite their small populations, they maintain distinct governance, traditions, and economies, often relying on tourism or specialized industries. These nations offer a stark contrast to densely populated countries, highlighting how population size doesn’t define national character or significance. In 2025, nine countries stand out as the least populated in the world, each with its own story and charm.
Vatican City: Vatican City is the world’s least populated country, home to roughly 800–880 residents, and also the smallest by land area. Nestled within Rome, it serves as the spiritual heart of the Roman Catholic Church. Every year, millions visit its iconic landmarks, including St. Peter’s Basilica and the Vatican Museums, making it a center of both religious significance and cultural heritage. (Image: Canva)
Niue: It has a population of about 1800 to 1900 people. Niue is a small island nation in the South Pacific. It is known for its limestone cliffs, sea caves, coral-lined bays, and crystal-clear water, making it ideal for offbeat and nature-loving travellers. (Image: Canva)
Tuvalu: The country has a population of roughly 10,000 to 11,000 people. This Polynesian archipelago offers lagoon beaches, calm island life, and rich marine biodiversity, particularly around the Funafuti Marine Conservation Area. (Image: Canva)
Nauru: It is home to about 12,000 to 13,000 people and is located in Micronesia. Despite its small size, it has unique sights like the Moqua Caves, coastal cliffs, and the golden beaches of Anibare Bay. (Image: Canva)
Cook Island: With an estimated population of 14,000 to 17,000, the country is known for its tropical scenery, vibrant culture, lagoon cruises, sea fishing, and relaxed island lifestyle. (Image: Canva)
Palau: With nearly 18,000 residents, Palau is a stunning island nation in the western Pacific Ocean. It is globally famous for its rock islands, limestone formations, coral reefs, and turquoise waters. (Image: Canva)
San Marino: It has a population of around 34,000 people. Situated in the Apennine Mountains, it is known for its medieval old town, cobbled streets, and historic hilltop fortresses. (Image: Canva)
Marshall Islands: The Marshall Ishlands, with about 42,800 people, offer white sandy beaches and lagoon activities. The Bikini Atoll is a UNESCO-listed diving site with World War II shipwrecks. (Image: Canva)