Your stats are incorrect in a crucial way, you are ignoring the terminal population in 85% of countries and Africa will go terminal by 2035 instead of 2060, given what is happening in Ukraine (out of food).
The population will decrease significantly. The Chinese are unveiling their dismal census that overcounted their population by 100 million women(!) - and they will lose half their population by 2070, that's minus 600 million right there, without wars, famine etc etc. (that's all coming).
Even the NYT is talking about this:
Fewer babies’ cries. More abandoned homes. Toward the middle of this century, as deaths start to exceed births, changes will come that are hard to fathom.
www.nytimes.com
That was before the pandemic, wars, de-globalization, famine, wars (food wars), and climate change. Nigeria will go terminal before 2030 if they stop getting food help.
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India is going terminal (everytime you think it can't go lower...it can)
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Anyone who is looking at this seriously: there is only one outcome possible.