9 Least Populated Countries in the World in 2025
According to recent estimates by Worldometer, some countries have fewer residents than many towns or cities. Mostly island nations or microstates, these countries are celebrated for their peaceful lifestyles, scenic landscapes, and unique cultures. Despite small populations, they maintain distinct governance, traditions, and economies—often relying on tourism or specialized industries. In 2025, these nine countries stand out as the least populated in the world, each with its own story and charm.
1. Vatican City – With roughly 800–880 residents, Vatican City is the world’s smallest country by both population and land area. Nestled within Rome, it is the spiritual heart of the Roman Catholic Church and attracts millions annually to landmarks like St. Peter’s Basilica and the Vatican Museums.
2. Niue – Home to about 1,800–1,900 people, this South Pacific island nation is known for limestone cliffs, sea caves, coral-lined bays, and crystal-clear waters—perfect for nature lovers and offbeat travelers.
3. Tuvalu – With a population of roughly 10,000–11,000, Tuvalu is a Polynesian archipelago offering serene lagoon beaches, calm island life, and rich marine biodiversity, especially around the Funafuti Marine Conservation Area.
4. Nauru – This Micronesian island nation has about 12,000–13,000 residents. Highlights include the Moqua Caves, coastal cliffs, and golden beaches of Anibare Bay.
5. Cook Islands – With an estimated 14,000–17,000 people, the Cook Islands are known for tropical scenery, lagoon cruises, sea fishing, and a relaxed island lifestyle.
6. Palau – Home to nearly 18,000 residents, Palau in the western Pacific is famous for its rock islands, limestone formations, coral reefs, and turquoise waters.
7. San Marino – This European microstate has a population of around 34,000. Located in the Apennine Mountains, it is renowned for medieval old towns, cobbled streets, and historic hilltop fortresses.
8. Marshall Islands – With approximately 42,800 people, the Marshall Islands offer white sandy beaches and lagoon activities. Bikini Atoll, a UNESCO World Heritage site, is famous for its World War II shipwrecks and diving opportunities.
9. Liechtenstein – With a population close to 39,000, this Alpine principality is known for its medieval castles, mountain landscapes, and strong financial sector.
These countries demonstrate that small populations do not diminish a nation’s cultural richness, natural beauty, or global significance.
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