Quote Originally Posted by NMURA View Post
That's right. Dual citizenship is not allowed because most of "naturalized Japanese citizens" are from China and Korea. The Japanese government don't want them to use suffrage for the state that they don't trust.
I don't see the point though: South Korea does not allow dual citizenship after 21 either, and China does not allow dual citizen for people of any age. Any government shouldn't "naturalize" people whom they don't trust at the first place.