Population Growth

Demographic Transition
The process in which the relationship between income per capita and population growth reverses from positive to negative due to economic development.
Golden Rule
A conceptual framework in economic theory for the relationship between the capital–labour ratio and population growth rate aimed at maximizing consumption per capita.
Malthusian Problem
Thesis developed by economist Thomas Malthus explaining how population growth tends to outpace growth in resources, driving per capita incomes down to subsistence levels.