Japan vs Nigeria

Nigeria is 2.44 times larger than Japan. Japan would fit into Nigeria about 2.4 times.

JapanNigeriaJapan moved onto Nigeria · Equal-area projection
0.41×
Japan is 0.41× the area of Nigeria. Put the other way, Nigeria is 2.44× the size of Japan.
JapanNigeria
Area377,972 km²923,768 km²
Population123,366,734237,527,782
Density326 / km²257 / km²
CapitalTokyoAbuja
RegionEastern AsiaWestern Africa
CoastlineHas a coastHas a coast
Neighbours04

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; Nigeria at 10° N is stretched to 1.03×. That difference is why Japan looks so much bigger than it is next to Nigeria. 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 Nigeria?
No. Japan is 2.44 times smaller than Nigeria. Japan covers 377,972 km² and Nigeria covers 923,768 km².
How many times does Japan fit into Nigeria?
About 2.4 times: Nigeria has 2.44× the area of Japan.
Why do Japan and Nigeria 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 Nigeria about 1.03×. That is why Japan looks so much bigger than it really is next to Nigeria. Kartavera uses Equal Earth, where every square kilometre is drawn the same size.
Which has more people, Japan or Nigeria?
Nigeria: 237,527,782 people against 123,366,734. Density: Japan 326 per km², Nigeria 257 per km².