Nội dung text Chapter 6 Population.pdf
(3) POPULATION 06 migration refers to migration within the country, while international migration refers to migration between countries. • Internal migration does not change the population of the country but impacts the density of population in a region or a state. • In India, rural people migrate to urban cities in search of employment opportunities. Migration changes the size of population and the composition of rural and urban populations. Age Composition The age composition of the population refers to the number of people in different age groups in a country. The population of a country is divided into three categories. These are Children (below 15 years) They are regarded as economically unproductive and have to be provided with education, food and clothing. Working Age (15–59 years) People belonging to this age group are considered productive as they form part of the working population of the country. Aged (above 59 years) People belonging to this age group are generally retired though sometimes they also can be productive. They may be working voluntarily, but they are not counted among the young energetic force. Sex Ratio Sex ratio is the number of females per 1000 males in the population. Literacy Rates The census of 2001 outlined that a person aged above 7 years is regarded as literate if he can read and write in any language. The literacy rate of the country was 64.84% in 2001. It was 75.26% for men and 53.67% for