Same problem in all first world nations except the US, as far as I know.
Well, of course, education and a high standard of living is the cure for overpopulation. In defense of the US, our population growth is primarily due to immigration.
This is not true - the USA has a higher birth rate than all EU countries except Ireland and a much higher than the EU average. Also, in addition of Ireland only Moldova and Albania have a higher birthrate than the US.
https://www.cia.gov/cia/publications/factbook/rankorder/2054rank.html
