Growth of population is the change in the number of people living in a particular area between two points of time.
Population growth has two components namely- natural and induced. The natural growth is analysed by assessing the crude birth and death rate, the induced components are explained by the volume of inward and outward movement of people in any given area.
The four distinct phases of growth identified within the period of 1901-2001
Phases |
Period |
Population growth |
Causes |
1 |
1901-1921 |
Stagnant growth |
Poor medical facilities , illiteracy, inefficient distribution of basic necessities |
2 |
1921-1951 |
Steady growth |
Improvement in health and sanitation, transport and communication |
3 |
1951-1981 |
Pop. Explosion |
Development activities introduced in the country, Improvement in Economy |
4 |
After 1981 |
Period of declining growth |
Increase in the mean age at marriage education of after with slow rate females. |