If you want to see what happens with an aging workforce and low fertility rate look at Japan. It's more stagnation than decline. Unlike Japan, China also sti

If you want to see what happens with an aging workforce and low fertility rate look at Japan. It's more stagnation than decline. Unlike Japan, China also still has a massive rural population that can get educated and move to the cities. This internal migration has been and will continue to offset their declining population for many more years.