They have been trying to increase immigration
https://www.japantimes.co.jp/opinion/2019/05/27/commentary/japan-commentary/japan-begins-immigration-experiment/#.XfjVfdX7SUk
supposedly to help counteract this https://en.wikipedia.org/wiki/Hikikomori
https://www.japantimes.co.jp/opinion/2019/05/27/commentary/japan-commentary/japan-begins-immigration-experiment/#.XfjVfdX7SUk
supposedly to help counteract this https://en.wikipedia.org/wiki/Hikikomori