The Japanese, on average, are the shortest people.
320
Most streets in Japan do not have names.
6
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
In Japan, more adult diapers are sold than baby diapers.
50
The Gate Tower Building skyscraper in Japan has a highway passing through its fifth, sixth and seventh floors.
7