The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
The first foreigner to become a samurai was an African slave.
26
The Japanese, on average, are the shortest people.
320
In Japan, slurping loudly while eating noodles shows that the food is delicious. It's actually considered rude not to slurp!
26
The Gate Tower Building skyscraper in Japan has a highway passing through its fifth, sixth and seventh floors.
7
In Japan, more adult diapers are sold than baby diapers.
50