Japan vs Peru

Peru is 3.4 times larger than Japan. Japan would fit into Peru about 3.4 times.

JapanPeruJapan moved onto Peru · Equal-area projection
0.29×
Japan is 0.29× the area of Peru. Put the other way, Peru is 3.4× the size of Japan.
JapanPeru
Area377,972 km²1,285,216 km²
Population123,366,73434,576,665
Density326 / km²27 / km²
CapitalTokyoLima
RegionEastern AsiaSouth America
CoastlineHas a coastHas a coast
Neighbours05

Why the map you grew up with disagrees

On a Mercator map, area grows with distance from the equator. Japan sits at about 37°N and is stretched to 1.59× its true area; Peru at 9° S is stretched to 1.03×. That difference is why Japan looks so much bigger than it is next to Peru. The figure above uses the Equal Earth projection, where every square kilometre is drawn the same size.

Questions about this pair

Is Japan bigger than Peru?
No. Japan is 3.4 times smaller than Peru. Japan covers 377,972 km² and Peru covers 1,285,216 km².
How many times does Japan fit into Peru?
About 3.4 times: Peru has 3.4× the area of Japan.
Why do Japan and Peru look different on Google Maps?
Web maps use the Mercator projection, which stretches area with distance from the equator. Japan is drawn about 1.59× its true area there and Peru about 1.03×. That is why Japan looks so much bigger than it really is next to Peru. Kartavera uses Equal Earth, where every square kilometre is drawn the same size.
Which has more people, Japan or Peru?
Japan: 123,366,734 people against 34,576,665. Density: Japan 326 per km², Peru 27 per km².