Porto and Guangzhou
Comparison by area and population

Porto

Portugal

Guangzhou

China

Population

221 800
 (2008)

221 800
(2008)

13 438 972
(2009)
13 438 972
 (2009)

Area

42 km2

42 km2

7 434 km2
7 434 km2

Population density

5 280.95
/km2

5 280.95/km2

1 807.77/km2
1 807.77
 /km2
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