How often have I heard shills here say that "a country's economy can't grow unless you bring in immigrants and increase the population."? Many, many times.
https://www.wsj.com/articles/japan-posts-4-0-annualized-gdp-growth-in-april-june-quarter-1502669122
Japan posts 4% annualized GDP growth.
I want the Japanese to feel our pain. They need to suffer from multiculturalism like we do.