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.

How do we calculate birth rate?

birth rate, frequency of live births in a given population, conventionally calculated as the annual number of live births per 1,000 inhabitants.

What is natality and example?

Definition. noun, plural: natalities. The birthrate, which is the ratio of total live births to total population in a particular area over a specified period of time; expressed as childbirths per 1000 people (or population) per year. Supplement.