- China and India approaching 1.5 billion people each; India with no discernible population control; China with an aging population
- Europe with a static indigenous population and an influx of Muslim immigrants
- A broad swath of moderate to high growth through the Mediterranean and West/Central/SE Asia
- Japan aging and static population
- Moderate to high growth in South and Central America
- High growth in Mexico with an Hispanic influx into southern tier U.S.
- Russia and sub-Saharan Africa with the possibility of decline populations because of disease and political instability
India's growth may continue unabated due to its young population and increasing national wealth. China's one-child policy will eventually create an aging, static population unless the policy is repealed.

For more on China's aging population, see this morning's Detroit Free Press.