Busan and Ulaanbaatar
Comparison by area and population

Busan

Korea, Republic of

Ulaanbaatar

Mongolia

Population

3 535 620
(2009)

3 535 620
(2009)

1 221 000
(2012)
1 221 000
(2012)

Area

765 km2

765 km2

4 704 km2
4 704 km2

Population density

4 621.73
/km2

4 621.73/km2

259.57/km2
259.57
/km2
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