表面積は国の総面積で、内陸水域および一部の沿岸水路下の面積を含みます。

Surface area (平方キロ)

19701990200020052010201120122013201420152016201720182019202020212022
アルゼンチン2,780,4002,780,4002,780,4002,780,4002,780,4002,780,4002,780,4002,780,4002,780,4002,780,4002,780,4002,780,4002,780,4002,780,4002,780,4002,780,4002,780,400
ブラジル8,515,7708,515,7708,515,7708,515,7708,515,7708,515,7708,515,7708,515,7708,515,7708,515,7708,515,7708,515,7708,515,7708,515,7708,515,7708,515,7708,510,418
パラグアイ406,750406,750406,750406,750406,752406,752406,752406,752406,752406,752406,752406,752406,752406,752406,752406,752406,752
ウルグアイ176,220176,220176,220176,220176,220176,220176,220176,220176,220176,220176,220176,220176,220176,220176,220176,220176,220