Suppose that a country's natural annual growth rate is 1.7. Approximately how many years will it take for that country's population to double?

Question

Quizplus · Accepted Answer

The doubling time can be estimated using the Rule of 70, which states that dividing 70 by the annual growth rate gives the doubling time in years. Thus, 70 divided by 1.7 equals approximately 41.18 years, rounding to the nearest whole number gives 42 years.

Suppose That a Country's Natural Annual Growth Rate Is 1