In 2019 there were 3,747,540 natural births in the US. There were 2,854,838 natural deaths. There were 31% more births than deaths. The natural population gr

In 2019 there were 3,747,540 natural births in the US. There were 2,854,838 natural deaths. There were 31% more births than deaths. The natural population growth isn't declining yet. And even if it was - as long productivity increases - that's all that really matters. Population can decrease like in Japan while GDP increases due to productivity growth. Population growth != better living standards. See the Malthusian Trap that was the popular way of thinking prior to the industrial revolution. Population kept increases - yet people just kept getting more miserable lives.