Population growth is an interesting phenomena. If you look at the end-game, we have a trend of industrialization and 3rd world countries industrializing. After

Population growth is an interesting phenomena. If you look at the end-game, we have a trend of industrialization and 3rd world countries industrializing. After a country has industrialized, birth rates tend to drop off, even past the point of sustaining population level. Population declines have many negative economic consequences.