It’s September or 2021 and 7,7 billion people lives on the Earth. This number is not exact and it would be impossible to know the precise amount, but it’s very accurate. There are a lot of countries and communities that aren’t part of the “system”, (and they don’t pretend to be). According to estimates of Our World in Data, the Earth population will grow to 9,7 billion by 2050 and 10,9 billion by 2100. It seems that during this century the growth of the world population will slow down conside...