RBSE Class 9 Social Science Notes Geography Chapter 6 Population

These comprehensive RBSE Class 9 Social Science Notes Geography Chapter 6 Population will give a brief overview of all the concepts.

RBSE Class 9 Social Science Notes Geography Chapter 6 Population

→ A census is an official enumeration of population done periodically.

→ In India, the first census was held in the year 1872. The first complete census, however, was taken in the year 1881. Since then, censuses have been held regularly every tenth year.

→ The population density of India in the year 2001 was 102.8 crore which is 16.7 per cent of the total population of the whole world. On March 2011 it stood at 121.06 crore, which account for 17.5 per cent of the world’s population and accounts for 2.4 per cent of the world’s area.

→ The 2011 Census data reveals that Uttar Pradesh is the most populous state of India.

→ Rajasthan is the biggest state in terms of area.

→ The population density of India in the year 2001 was 324 persons per sq km which has increased to 382 persons per sq km in the year 2011.

→ Growth of population refers to the change in the number of inhabitants of a country/ territory during a specific period of time, say during the last 10 years.

→ The 2011 Census data reveals that India’s population annual growth rate was 1.64 per cent.

→ There are three main processes of change of population

1. birth rates,
2. death rates and
3. migration.

→ Birth rate is the number of live births per thousand persons in a year.

→ Death'rate is the number of deaths per thousand persons in a year.

→ Migration is the movement of people across regions and territories.

→ The age composition of a population refers to the number of people in different age groups in a country.

→ Sex ratio is defined as the number of females per 1000 males in the population. The 2011 Census data reveals that India’s sex ratio was 933 which has increased to 943 in the year 2011.

→ The literacy rate as per the Census of 2011 in the country is 73 per cent - 80.9 per cent for males and 64.6 per cent for females.

→ The distribution of the population according to different types of occupation is referred to as the occupational structure. Occupations are, generally, classified as primary, secondary and tertiary.

→ In the year 2001, the average age in India was 64.6 years, which increased to more than 67.9 years in 2012. 

→ The adolescents are generally grouped in the age group of 10 to 19 years. One fifth of the total population in India comes under adolescent population.

→ National Population Policy has been made to prevent rapid growth in population and to ensure qualitative development of population.

→ In the National Population Policy 2000, several steps have been taken to control the population of the country.