The Crude Birth Rate (CBR) is a basic demographic indicator that reflects the number of live births in a given population over a specified period, usually one year, per 1,000 people. Here’s how you can calculate it:

Crude Birth Rate Formula

CBR=(Number of Births in a YearTotal Population)×1000\text{CBR} = \left( \frac{\text{Number of Births in a Year}}{\text{Total Population}} \right) \times 1000CBR=(Total PopulationNumber of Births in a Year​)×1000

Steps to Calculate CBR

1. Count the Total Number of Births: Obtain the number of live births in the population over a specific period (typically a year).
2. Determine the Total Population: Find the total mid-year population for the same year (since populations can fluctuate, the mid-year estimate provides a more accurate base).
3. Apply the Formula: Divide the number of births by the total population and then multiply the result by 1,000 to express the rate per 1,000 individuals.

Example Calculation

If a population of 50,000 people had 600 live births in a year:CBR=(60050000)×1000=12 births per 1,000 people\text{CBR} = \left( \frac{600}{50000} \right) \times 1000 = 12 \text{ births per 1,000 people}CBR=(50000600​)×1000=12 births per 1,000 people

This means there were 12 live births per 1,000 people in the population during that year.

CALCULATOR

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