The difference between natural and mechanical population growth

time：2025-03-10 09:02:47 Smart Hardware

Difference Between Mechanical Growth of Population and Natural Growth of Population

Natural population growth refers to the increase caused by the number of births minus the number of deaths in a certain period of time (usually one year), that is, the natural population growth rate = population birth rate - population mortality rate. The natural population growth rate is an important indicator that reflects the rate of population development and the formulation of population plans, and is also an important indicator in family planning statistics, which indicates the degree and trend of natural population growth.The above is the difference between mechanical population growth and natural population growth. Changes in the demographic status of a region are affected by social, economic and population factors, and are manifested in two kinds of changes. One is natural population change, that is, the increase or decrease in the number of people caused by births and deaths; The other is migration change, that is, the movement of people in space. Mechanical population growth and natural population growth describe these two types of changes, respectively.

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