Argentina is about 2.2 times bigger than Peru.

Peru is approximately 1,285,216 sq km, while Argentina is approximately 2,780,400 sq km, making Argentina 116% larger than Peru. Meanwhile, the population of Peru is ~32.3 million people (14.0 million more people live in Argentina).

This to-scale map shows a size comparison of Peru compared to Argentina. For more details, see an in-depth quality of life comparison of Argentina vs. Peru using our country comparison tool.

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