The problem is despite global population increasing, the local population in most of the countries are on the route to decline. The average age in these countri

The problem is despite global population increasing, the local population in most of the countries are on the route to decline. The average age in these countries also increasing as well, changing the lifestyle and requirements of the population. Sure, immigration helps here and there, but I don't think it's going to be a solution in 20 years and more. I could even see the case where countries with younger population start experiencing problems due to emigration, and try to avoid that as well. Speaking of which, birth rates are decreasing in those countries as well, as they develop and have better prospects for their own children. I hope we can somehow reverse this trend, but so far not a single country was able to achieve this despite growing pains.