Quick facts
Ulan Bator overview
Ulan Bator (orange) and the other large cities of Mongolia
Ulan Bator lies in Ulaanbaatar in Mongolia at 47.91°N, 106.88°E, about 1,284 m above sea level. The local time zone is Asia/Ulaanbaatar (UTC+8); GeoNames classifies it as a national capital.
It is the biggest urban centre of Mongolia: the next largest cities are Erdenet (97,814), Darhan (83,883), Choibalsan (44,835). Together, the three largest cities hold 28.8% of the national population.
The nearest large city is Dzuunmod, about 23 km away, followed by Zuunmod (23 km).
Mongolia as a whole has a live population of 3,569,071 (+1.1% a year) and ranks #133 of 238 countries — see the Mongolia population page for the full statistics and the Mongolia atlas for provinces, terrain and society maps.
Cities near Ulan Bator
| City | Distance | Population |
|---|---|---|
| Dzuunmod Central Aimak | 23 km | 16,953 |
| Zuunmod Central Aimak | 23 km | 16,953 |
| Nalayh Ulaanbaatar | 34 km | 39,579 |
| Dzüünharaa Selenge Province | 110 km | 18,830 |
| Darhan Darhan Uul | 189 km | 83,883 |
Largest cities in Mongolia
| # | City | Region | Population |
|---|---|---|---|
| 1 | Ulan BatorCapital | Ulaanbaatar | 844,818 |
| 2 | Erdenet | Orhon | 97,814 |
| 3 | Darhan | Darhan Uul | 83,883 |
| 4 | Choibalsan | East Aimak | 44,835 |
| 5 | Nalayh | Ulaanbaatar | 39,579 |
| 6 | Mörön | Khövsgöl Province | 39,404 |
| 7 | Bayanhongor | Bayankhongor | 30,931 |
| 8 | Ulaangom | Uvs Province | 30,092 |
| 9 | Khovd | Hovd | 29,800 |
| 10 | Arvayheer | Övörhangay | 29,420 |
Frequently asked questions
What is the population of Ulan Bator?
Ulan Bator has about 844,818 inhabitants according to the latest official census or estimate compiled by GeoNames. This is the city proper; the metropolitan area is larger.
Is Ulan Bator the capital of Mongolia?
Yes — Ulan Bator is the national capital of Mongolia.
How big is Ulan Bator compared with the rest of Mongolia?
Its 844,818 residents are 23.7% of the 3,569,071 people living in Mongolia today. It is the largest city in the country.
Where is Ulan Bator?
In Ulaanbaatar, Mongolia, at latitude 47.91 and longitude 106.88, 1,284 m above sea level. Nearby large cities include Dzuunmod (23 km), Zuunmod (23 km), Nalayh (34 km).
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Cite or link to this page
Glostats. (2026). Ulan Bator Population 2026 — Mongolia. Retrieved October 20, 2026, from https://glostats.com/cities/mongolia/ulan-bator/<a href="https://glostats.com/cities/mongolia/ulan-bator/">Ulan Bator Population 2026 — Mongolia</a> — GlostatsFigures on this page may be quoted, charted or republished as long as the page is credited with a link. Terms · Download the data as CSV · Embed a live counter.
City populations are GeoNames figures (CC BY 4.0): the latest official census or estimate for the city proper — the municipality, not the wider metropolitan area — so they can differ from "metro area" numbers you see elsewhere. Country populations are live Glostats estimates from the UN World Population Prospects. Distances are great-circle distances between city centres. Page generated 2026-10-20. More about our data.