The Population of Ulaanbaatar in 2014 was 1,070,573, increasing at an average annual rate of 4.1% since 2001. The population of Ulaanbaatar in 2001 was 633,616, increasing at an average annual rate of 3.6% since 1990, when its population was 426,960.
The Urban Extent of Ulaanbaatar in 2014 was 20,051 hectares, increasing at an average annual rate of 4.1% since 2001. The urban extent in 2001 was 11,894 hectares, increasing at an average annual rate of 1.7% since 1990, when its urban extent was 9,863 hectares.
Built-up Area Density in Ulaanbaatar in 2014 was 69 persons per hectare, increasing at an average annual rate of 0.1% since 2001. The built-up area density in 2001 was 68 persons per hectare, increasing at an average annual rate of 1.4% since 1990 when the built-up area density was 58.74 persons per hectare.
The Urban Extent Density in Ulaanbaatar in 2014 was 53 persons per hectare, increasing at an average annual rate of 0% since 2001. The urban extent density in 2001 was 53 persons per hectare, increasing at an average annual rate of 1.9% since 1990 when the urban extent density was 43 persons per hectare.
A total of 6,210 hectares of built-up area was added to the Ulaanbaatar urban extent between 2001 and 2014. Of that added built-up area, 23% was Infill, 58% was Extension, 0% was Leapfrog, and 20% was Inclusion. A total of 2,019 hectares of built-up area was added to the urban extent between 1990 and 2001. Of that added built-up area, 45% was Infill, 50% was Extension, 0% was Leapfrog, and 4% was Inclusion.
Average road width in the Ulaanbaatar 1990-2014 expansion area was 4.19 meters, compared to 7.14 meters in its pre-1990 area.
The share of built-up area in Ulaanbaatar occupied by roads in the 1990-2014 expansion area was 12%, compared to 15% in the pre-1990 area.
The density of arterial roads in Ulaanbaatar's 1990-2014 expansion was 1.18 km/km2, compared to 1.6 km/km2 in its pre-1990 area.
The share of built-up area within walking distance of an arterial road in Ulaanbaatar's 1990-2014 expansion area was 78%, compared to 89% in the pre-1990 area.
Average block size in Ulaanbaatar's 1990-2014 expansion area was 4.4 hectares, compared to 5.6 hectares in its pre-1990 area.