Madrid and Haikou
Comparison by area and population

Madrid

Spain

Haikou

China

Population

3 041 579
(2013)

3 041 579
(2013)

830 192
(2006)
830 192
(2006)

Area

607 km2

607 km2

2 304 km2
2 304 km2

Population density

5 010.84
/km2

5 010.84/km2

360.33/km2
360.33
/km2
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