[Aerroon]

>The very evidence you seek is right here, right now, all about us - a world in which men and women have a reproduction rate lower than than their grandparents and great grandparents. They have clearly bucked the trend of those in times past. Q.E.D.

From the graph I saw the total fertility rate in the US has been falling since 1800 (start of the graph). It briefly improved after WW2 for a bit and then started falling again. There was another brief increase at the end of the 90s and it's been dropping to historical lows ever since. It's not just two generations - it's 200 years and possibly longer.

The graph: https://infogram.com/20221003_gygi_vanessa_calder_fertility-...

[defrost]

It would appear that we both agree that population changes rates can alter over time and that it's happened in the past and can happen in the future then.

Unlike the other commenter who has claimed that once a rate has been set it cannot change.