There are various various views in birth of chopsticks.
It is the talk that being written to many books also in it was transmitted from China to Japan.
When chopsticks came to Japan, the man in the street was not able to use chopsticks. Since it got across to a wind called the sacred treasures which God uses, only the Emperor was able to use.

The meal style in the world has become as it is shown in the following figures.
East Asia is chopsticks. Southeast Asia and the outskirts of African are hands.
The United States and the outskirts of Europe are having a meal with a knife and a fork.
South Korea eats a dish with chopsticks and it eats boiled rice, soup, etc.
using the tableware of a lotus flower or metal.
In Thailand or Vietnam, chopsticks, the spoon, and the knife are properly used with food.
Compared with it, Japan is eating all, such as boiled rice, a dish, and soup, with chopsticks.
The meal style eaten with chopsticks altogether is only Japan.