Natural increase of the population: birth rate

UNIT 2: The natural dynamics of the population

1. The natural increase of the population

-DEFINITION

- The natural increase relates to birth rates and death rates.

- It does not include migration

- It involves the study of the characteristics of a particular population

- The results are expressed in rates

1.1. The birth rate

- The birth rate is based on the number of children born in one year in a particular place

- To calculate the birht rate

- The result is the number of children per thousand people ‰

-Low birth rate: 0-15‰

-Medium birth rate: 15-30‰

-High birth rate: >30‰

Examples:

Spain birth rate: 8,41‰

Niger birth rate: >35‰

-Decline of birth rates in recent years: Changes in the economic activity, in society, in education and culture

- Birth rates in different places: Africa is the continent with the highest birth rate, while the more developed countries have the lowest bith rates