express note on GDP and demographics. (World)
difference in population growth rates and real GDP (the great Angus Maddison)
for periods
average annual
average annual growth rate
separately about demography.
if you still think, that the earth is in danger of overpopulation, then this is already mauvais ton. population growth rate is decreasing (yields by the way too), in China, too, ksati, the demographic problem is maturing. there are three problems with data handling.
1) historical data is conditional (what do you think is the accuracy of the data from the beginning of our era?))
2) there is no single overview and all-embracing Law of the universe (as there is progress, War, illness, etc.)
3) scholars' assessments (forecasts) are also inertial and amenable to trends and fashions as well as the forecasts of wall street.
note without thoughts.