Country Population: 1.5% Growth for 50 Years
A nation of 50 million growing at 1.5% per year for 50 years would reach approximately 106 million.
How to use this tool
- Enter initial population, annual growth rate and years in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your final population and the full breakdown beneath it.
At a typical developing-country growth rate of 1.5%, a population of 50 million doubles in about 47 years.
Frequently asked questions
- What is the difference between continuous and annual compounding?
- Continuous uses e^(rt); annual uses (1+r)^t. For small r they are close, but continuous growth is slightly faster and is the standard in population biology.
- Can growth rates be negative?
- Yes — a negative rate models population decline or any shrinking quantity.