Buenos Aires and San Juan
Comparison by area and population

Argentina (capital)

Buenos Aires

Argentina

Puerto Rico

San Juan

Puerto Rico

Population

2 891 082
(2010)

2 891 082
(2010)

389 714
(2011)

389 714
(2011)

Area

202 km²

202 km²

199 km²

199 km²

Population density

14 312.30
/km²

14 312.30/km²

1 958.36/km²

1 958.36
/km²

Map

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Buenos Aires and other cities

San Juan and other cities