French Southern and Antarctic Lands is about 48 times smaller than Japan.

Japan is approximately 377,915 sq km, while French Southern and Antarctic Lands is approximately 7,829 sq km, making French Southern and Antarctic Lands 2.07% the size of Japan.
Tip: This to-scale comparison of Japan vs. French Southern and Antarctic Lands uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: French Southern and Antarctic Lands vs. Japan

Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.