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Define the term of natality. How is it calculated?

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Hint: Natality is birth rate. It is used to calculate the dynamics of the entire population. This determines an increase or decrease in the population. It is applied to both male and female population.

Complete answer:
Natality is the scientific word for birth rate. It is used to calculate the dynamics of the entire population. This determines an increase or decrease in the population. It is applied to both male and female population. This factor is expressed in the terms of a time interval.

An index is calculated to determine the total birth rate. This is known as natality.
It is calculated as child births for every 1000 people per year.
Natality is calculated by no of births at the time is the risk of birth divided with the entire population.

$Natality = {\dfrac{\text{Number of births per year}}{\text{Number of population per year}}} \times 1000$

The criteria of Natality is:
- When the birth rate is more than 30 it is considered high
- When the birth rate is between 20-30 it is moderate
- When the birth rate is less than 20 it is considered low

Note: An index is calculated to determine the total birth rate. This is known as natality. It is calculated as child births for every 1000 people per year.
Japan has the lowest birth rate in the world with only 8 births per 1000 people. Niger (Africa) has recorded the highest with 7 children per woman in the world.
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