The Vatican City, often called the Holy See, has the smallest population worldwide, with only ***inhabitants. It is also the smallest country in the world by size. The islands Niue, Tuvalu, and Nauru followed in the next three positions. On the other hand, India is the most populous country in the world, with over *** billion inhabitants.
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World Population Review. (December 23, 2025). Twenty countries with the smallest population in 2025 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 20, 2026, from /statistics/1328242/countries-with-smallest-population/
World Population Review. "Twenty countries with the smallest population in 2025." Chart. December 23, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 20, 2026. /statistics/1328242/countries-with-smallest-population/
World Population Review. (2025). Twenty countries with the smallest population in 2025. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 20, 2026. /statistics/1328242/countries-with-smallest-population/
World Population Review. "Twenty Countries with The Smallest Population in 2025." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 23 Dec 2025, /statistics/1328242/countries-with-smallest-population/
World Population Review, Twenty countries with the smallest population in 2025 ÌÇÐÄÆƽâ°æ, /statistics/1328242/countries-with-smallest-population/ (last visited July 20, 2026)
Twenty countries with the smallest population in 2025 [Graph], World Population Review, December 23, 2025. [Online]. Available: /statistics/1328242/countries-with-smallest-population/
