Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Population doubling time refers to the amount of time it takes for a population to double in size. It is calculated by dividing the natural logarithm of 2 by the growth rate.
Related terms
Carrying Capacity: Carrying capacity refers to the maximum number of individuals that an environment can sustainably support.
Growth Rate: Growth rate is the rate at which a population increases or decreases over a given period of time.