Possibly not as much as some people ask totally inane questions
some of the ethnic groups in japan are japanese some chinese and koreans and a couple more groups.
They aren't. Most groups are just as discriminated against as any other, and less so in certain areas.
It is the most common cause of deaf-blindness in the Western world. It affects people of all ethnic backgrounds, although certain ethnic groups, such as those with Finnish and Ashkenazi Jewish ancestry, are more likely to be affected with Usher Syndrome Type 3.
yes
The cities population grew immense and the more they grew, certain sections became occupied by certain ethnic groups: Chinatown, Little Havana, etc. Also with all of the immigrants, jobs were occupied by them especially in factories.
The term "Scandinavians" refers to ethnic groups such as Norwegians, Swedes and Icelanders. You can learn more about Scandinavians from the Wikipedia.
nationalism
There are way more than just 9 ethnic groups in the World.
Music that comes from a certain ethnic background.
In order for us to answer your question we would need more information in regards to where the ethnic groups are located, or the reason for distinguishing between ethnic groups.
We have only 6 ethnic groups in Guyana which are as followsAmericanseast IndiansChineseblackportuguesedougla or mixed breed{these r people like myself who are mixed with more than more ethnic group} example my mom is Chinese and black and my dad is black
China