The concept of the "ethnic groups" by the Japanese statistics is different from the ethnicity census of North American or some Western European statistics; for example, the UK Census asks for "ethnic or racial background", regardless of their nationalities.
The concept of the "ethnic groups" by the Japanese statistics is different from the ethnicity census of North American. The concept of the "ethnic groups" by the Japanese statistics is different from the ethnicity census of some Western European statistics. The UK Census asks for "ethnic or racial background" of their nationalities. This is for example. This is regardless.