Question

Item 6 Over a 10-year period, a nation of 100 million people has a birth rate of 15 million, but a death rate of 5 million and a net migration rate of 2 million. What is happening to the population? decreasing in size growing in size decreasing first and then growing staying the same over time

Answer 1

Decreasing first and then growing happening to the population because at every year 10.20 percent population is growing.

How can you figure out a population's growth rate when there are births and deaths?

The net reproduction rate (r) is computed as follows: r = (births-deaths)/population size, or simply multiply by 100 to get in percentage terms. Because the population has grown so much, many more people have been added. When a population grows at a steady rate year after year, this is referred to as exponential growth.

Migration is the the number of immigrants minus the number of emigrants over a given time period, divided by the number of person-years lived by the receiving country's population during that time period. It is calculated as the number of net migrants per 1,000 people.

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