74 Japanese newspapers now pushing the notion that japan is now an immigrant nation (twitter.com) posted 191 days ago by evilplushie 191 days ago by evilplushie +74 / -0 65 comments share 65 comments share save hide report block hide replies
Just make fluent Japanese and ability to read and write a condition of citizenship.
That will weed out all Africans. The very few who can learn Japanese and kanji will probably be the top end of the bell curve.
Just don't have immigration. Period. If your population decreases, its temporary and so what?