Arunachal Pradesh is the state with lowest population
density in India. According to 2001 census, Arunachal Pradesh has a
population density of 13. Total population of Arunachal Pradesh (as per
2001 census) is 10,97,968 and its area is 83, 743 sq km. In 1991,
population of Arunachal Pradesh was 864, 558 and its population density
was 10.
Before 1962, the State of Arunachal Pradesh was popularly known as the
North East Frontier Agency (NEFA), and was constitutionally a part of
Assam. In 1972, it was constituted as a Union Territory and renamed
Arunachal Pradesh. On 20 February 1987, it became the 24th state of
India.