Geography
The Demographic Transition Model and Its Application to Developing Nations
Quick fact
In many developing nations, death rates have plummeted faster than birth rates, leading to a 'population explosion'—some countries double their population in just 30 years, a pattern the DTM's original stages didn't fully anticipate.
Why this is interesting
Most of us were born in a world where families have two or three children, but that wasn't always the case. Why did our ancestors have so many kids, and why do some countries still do?