Page 211 - Social Studies 7

Lesson Population Change and Factors
9.4

Affecting It

World population Day is observed on July 11. It was
FACTS founded by United Nations Development Programme in
to Understand 1989 AD.

population growth rate trend in Nepal

Population change refers to change in the number of people during the specific
time. The population of any place of the world keeps on changing with time.
The major factors affecting population change are birth, death and migration.
If birth takes place population increases and it decreases due to death. Due to
migration in a particular place also population changes. More population means
requirement of more natural and other resources and means. There is more
demand of basic needs like food, shelter, clothing, etc. The increase of population

211 Dynamic Social Studies and Population Education - Book VII