POPULATION

1	POPULATION SIZE AND DISTRIBUTION
	Census          It 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. Census 2011 v 1,210.6 million (17.5% of the world’s population)
2	India’s Population Distribution by Density
	UP-199million     Sikkim- 0.6 million     Lakshadweep- 64,429 people     Uttar Pradesh, Maharashtra, Bihar, West Bengal and Andhra Pradesh.     Rajasthan, the biggest state in terms of area, has only 5.5 % of the total population of India. India’s Population Distribution by Density Population Density:  The number of persons per unit area. The population density of India in the year 2011 was 382 persons per sq km.  Densities vary from 1,102 persons per sq km in Bihar to only 17 persons per sq km in Arunachal Pradesh.
3	Population Growth and Processes of Population Change Population Growth: 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 Annual Growth Rate: The rate or the pace of population increase is the other important aspect. It is studied in per cent per annum, e.g. a rate of increase of 2 per cent per annum means that in a given year, there was an increase of two persons for every 100 persons in the base population. This is referred to as the annual growth rate. 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. Migration can be internal (within the country) or international (between the countries)
4	Adolescent Population: (age group 10-19 years) It constitutes one-fifth of the total population of India. They are the most important resource for the future
5	National Population Policy Ø The Family Welfare Programme has sought to promote responsible and planned parenthood on a voluntary basis. Ø The NPP 2000 provides a policy framework for imparting free and compulsory school education up to 14 years of age, reducing infant mortality rate to below 30 per1000 live births, achieving universal immunization of children against all vaccine preventable diseases, promoting delayed marriage for girls, and making family welfare a people-centered programmed.