https://www.theguardian.com/world/article/2024/jul/19/japan-asks-young-people-views-marriage-population-crisis
The economist Takashi Kadokura said on a Yahoo Japan news blog that local government efforts to promote marriage were not working and marriages were not increasing because of the growing number of non-regular workers who found it financially difficult to start a family.
Encourage young people to immigrate and learn Japanese.
You know, I want to believe with massive exports of Japanese culture to Europe and USA, that this was their plan all along.