Peru is approximately 1,285,216 sq km, while Chad is approximately 1,284,000 sq km, making Chad 99.91% the size of Peru. Meanwhile, the population of Peru is ~31.9 million people (15.0 million fewer people live in Chad).
This to-scale map shows a size comparison of Peru compared to Chad. For more details, see an in-depth quality of life comparison of Chad vs. Peru using our country comparison tool.
