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World Measure
Capital city · Mongolia · Asia

Ulan Bator

Ulaanbaatar · Mongolia
City population
844,818
#1
in Mongolia
#1
in Ulaanbaatar
#661
worldwide
Ulan Bator
47.908, 106.883
Share of Mongolia
23.7%
Of the national population
Elevation
1,284 m
Approximate — modelled, not surveyed
Capital city
National
The capital of Mongolia
Time zone
Asia/Ulaanbaatar
IANA zone identifier

About Ulan Bator

The capital of Mongolia, at 1,284 m elevation, holds a population of 844,818 and accounts for 23.7% of the national population. Ulan Bator ranks first among 23 listed cities in Mongolia. Dzuunmod lies 23 km away with a population of 16,953, while Nalayh is 34 km distant with 39,579 residents.

This summary is AI-generated from the figures on this page. The figures themselves come from the sources cited beside each value.

Position in Mongolia
#1of 23
LargestSmallest
Position in Ulaanbaatar
#1of 2
LargestSmallest

Key Facts

Country
Mongolia
Region
Ulaanbaatar
Rank in region
#1of 2
Coordinates
47.908, 106.883
Record updated
25 August 2025
Entry edited, not measured

City population, GeoNames. GeoNames publishes no year for its population figures, so “record updated” is when the entry was last edited — not the date the population was measured. Elevation is modelled from a digital elevation model rather than surveyed, so it is approximate.

Nearby Cities

All 23 in Mongolia

Closest listed cities by great-circle distance from the city centre.

23KMDzuunmod17K people34KMNalayh40K people110KMDzüünharaa19K people189KMDarhan84K people241KMErdenet98K people

Compared with the World's Largest Cities

City-proper population against the fifteen largest cities in the dataset.

  1. Shanghai24.9M
  2. Beijing19M
  3. Shenzhen17.5M
  4. Guangzhou16.1M
  5. Kinshasa16M
  6. Istanbul15.7M
  7. Lagos15.4M
  8. Ho Chi Minh City14M
  9. Chengdu13.6M
  10. Lahore13M
  11. Mumbai12.7M
  12. São Paulo12.4M
  13. Mexico City12.3M
  14. Karachi11.6M
  15. Tianjin11.1M
  16. Ulan Bator845K
City-proper figures only. Administrative boundaries differ between countries, so these are not directly comparable to metropolitan-area estimates.
Ulan Bator compared with the fifteen largest cities
NameCity population
Shanghai24.9M
Beijing19M
Shenzhen17.5M
Guangzhou16.1M
Kinshasa16M
Istanbul15.7M
Lagos15.4M
Ho Chi Minh City14M
Chengdu13.6M
Lahore13M
Mumbai12.7M
São Paulo12.4M
Mexico City12.3M
Karachi11.6M
Tianjin11.1M
Ulan Bator845K

Ulan Bator Population FAQ

What is the population of Ulan Bator?

Ulan Bator has a city population of 844,818. That is the population within the city's own boundary, not its wider metropolitan area. City population, GeoNames.

Where is Ulan Bator?

Ulan Bator is in Ulaanbaatar, Mongolia. Its coordinates are 47.908, 106.883.

How big is Ulan Bator compared with other cities in Mongolia?

It is the 1st largest of the 23 cities listed in Mongolia, holding 23.7% of the national population.

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