It seems the public in Europe has not yet learnt that most girls in India today go to school.
Beyond 2050 the world population may start to decrease if women across the world will have, on average, less than 2 children. But that decrease will be slow.
Half of the energy is used by one seventh of the world's population.
You don't have to get rich to have [fewer] children. It has happened across the world.
The idea is to go from numbers to information to understanding.
We must obviously be much more clever in using resources, regulate with tax and promote innovations.