"Uncertainty about the future and concerns about the ecological impact of the growing human #population were key factors also identified by research.
But concerns also differed in different parts of the world, Dillarstone said. “There was a concern that came out only in Zambia and Ethiopia, which was about a family’s ability to subsist and acquire resources,” she said."
Population growth varies across the planet. You can look it up for a specific place by searching for #TotalFertilityRate (the average number of babies per woman) for that place.
The graph below shows that TFR is
1.64 United States
1.40 Canada
1.28 China
For a stable population, TFR = 2.1. Meaning, the US population is growing slightly only because of immigration.
"The European Commission’s Centre of Expertise on #Population and Migration projects that the global population will peak at 9.8 billion in the 2070s.
It is simply because, all over the world, the #TotalFertilityRate (TFR) — the number of live children the average woman bears in her lifetime — has been falling since the 1970s. In one country after another, it has dropped under the 2.1 value of the 'replacement rate'."