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How to calculate net reproductive rate?

Understand the Problem

The question is asking for a method to calculate the net reproductive rate, which is a demographic measure used to determine the growth potential of a population. This involves understanding various reproductive rates and how they accumulate over the age structure of a population.

Answer

Net reproductive rate (R0) = Σ lx * mx.

The net reproductive rate (R0) = Σ lx * mx, where lx is the proportion of females surviving to each age and mx is the average number of offspring produced by females at that age.

Answer for screen readers

The net reproductive rate (R0) = Σ lx * mx, where lx is the proportion of females surviving to each age and mx is the average number of offspring produced by females at that age.

More Information

The net reproductive rate (R0) indicates whether a population is increasing or decreasing: R0 > 1 suggests a growing population, R0 < 1 suggests a declining population, and R0 = 1 indicates a stable population.

Tips

Common mistakes include not correctly calculating lx or mx or forgetting to sum the products of lx and mx for all ages.

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