Population Pyramid: When the age structure of population is classified by sex in the form of a histogram, it is called age-sex pyramid. The base of the pyramid shows very low age starting from zero, it increases as we move upwards. The top of the pyramid shows the maximum age above 85 years. Population pyramids are of 5-year intervals. On [...]
This article provides an overview on Malthusian Theory of Population:- 1. Explanation to Malthusian Theory of Population 2. Criticisms of Malthusian Theory of Population 3. Applicability. Explanation to Malthusian Theory of Population: Malthus's theory of population is based on the following three postulates: 1. Food is essential for man's existence. 2. The passion between the sexes is essential and it [...]
After reading this article you will learn about:- 1. Definitions of Optimum Theory of Population 2. Assumptions of Optimum Theory of Population 3. Explanation to the Theory 4. Superiority over the Malthusian Theory 5. Criticisms. Definitions of Optimum Theory of Population: The concept of optimum population has been defined differently by Robbins, Carr-Saunders and Dalton. Robbins defines it as "the [...]