[vachina]

Yeah not sure why you’re being downvoted. Work hard on making elderly care as easy as possible, automate automatable things. Importing people is just kicking the ageing population can down the road; these immigrant will grow old one day, and then what, import even more people?

[bulbar]

People from other cultures tend to have more babies.

[lmm]

For one generation, maybe. Once they've assimilated even a little (which is usually what you want, right?) they revert to the same birthrate as everyone else.