Japan has the most vending machines in the world (5.52 million) which is more than the population of New Zealand.
7
According to a Japanese poll in the year 2000, the Japanese believe that their best invention of the twentieth century was instant noodles.
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