When should we start worrying about the declining birth rate in the US?

When should we start worrying about the declining birth rate in the US?

Now when the median age is 38 and a fourth of the population is over 65 or later when it’s much worse?

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+1 y
For people making the overpopulation argument you do realize that A. Decrease population won’t solve anything B. Only Cities are overpopulated not the world

There are 108,000 cities in America where the population is 50k to 25k people that is heavily underpopulated

This is why I’m going to buy a ranch because there aren’t any people in these cities
Updates
+1 y
Oil is a limited energy source not a limited resource the main component is carbon

Freshwater is not a limited resource for obvious reasons

Animals have more babies than us and shorter pregnancy terms not a limited resource
When should we start worrying about the declining birth rate in the US?
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