Why does Japan have such a low birth rate?

Hentai

Well some racists would have you believe that automation and advanced technology reduces the need for more people but this is discriminatory racist and islamophobic anti immigrant/anti diversity propaganda

lack of sex.

http://www.japantimes.co.jp/community/2016/02/10/voices/japan-birth-rate-beginning-end-just-new-beginning/#.WGwlslMrIdU

They have more then half a brain cell and recognise the meaning of sustainability?..
That or a lot of baby's are killed? 🤔

The sperm can't reach ta fertilize d eggs with their small dicks and all

because they are the smartest culture on Earth

They're too busy with strange game shows

Karoshi is taking its toll.