Ulaan Baator Mural, Mongolia
Beijing-Ulaan Baator by train is a pleasant journey to take in the attractions of Mongolia's capital city, the most populous city of the country. As of early 2026, the population of Ulaanbaatar, Mongolia's capital, is estimated to be approximately 1.7 million to 1.75 million people. This represents nearly half of Mongolia's total population. The city has experienced rapid growth, with the metro area population increasing from 1.69 million in 2024 to an estimated 1.749 million by 2026.
