Arunachal Pradesh is a state in the northeastern region of India. It’s the largest of the Seven Sister States of Northeast India by area. It was known as the North-East Frontier Agency until 1972, after which it became a union territory under the name Arunachal Pradesh. It became a state on 20 February 1987. Itanagar is its capital and largest town.
As per provisional reports of Census India, the population of Arunachal Pradesh in 2011 was 1,382,611 (13.82 Lakh)
👉 Projected population of Arunachal Pradesh in 2026 is 1,608,000 (16 lakh)
Future Population Projection
| Year | Population | % Growth |
| 2011 | 1,384,000 | – |
| 2016 | 1,459,000 | 5.42% |
| 2021 | 1,533,000 | 5.07% |
| 2026 | 1,608,000 | 4.63% |
| 2031 | 1,669,000 | 4.05% |
| 2036 | 1,719,000 | 3.00% |
Source: Census 2011 & Census Estimates
Census 2011 Details
Arunachal Pradesh has a population growth rate of 13.49% during 2011-2021. Its estimated population in 2021 is 15.33 Lakh* an increase of around 1.51 Lakhs from 2011.
| Arunachal Pradesh | Census 2011 |
| Total Population | 1,382,611 (13.82 Lakh) |
| Male Population | 713,912 |
| Female Population | 669,815 |
| Total Area | 83,743 km2 |
| Area Rank | 14th |
| Population Density | 17/km2 |
| Population Rank | 27th |
| Average Literacy (%) | 66.95% |
| Sex Ratio | 938 |
| Capital City | Itanagar |
| Formation (State) | 20 February 1987 |
Source: Census 2011 & Census Estimates
Arunachal Pradesh Historical Population
The population of Arunachal Pradesh has grown steadily over the past few decades. In 1961, the state had a population of about 3.36 lakh, which increased significantly due to improved connectivity, administrative development, and natural population growth. By 2011, the population reached 13.83 lakh, reflecting consistent growth across each census decade. The highest growth was recorded between 1961 and 1971, when the population increased by nearly 39%.
| Year | Population | Decadal Growth |
|---|---|---|
| 1961 | 336,558 | — |
| 1971 | 467,511 | +38.9% |
| 1981 | 631,839 | +35.1% |
| 1991 | 864,558 | +36.8% |
| 2001 | 1,097,968 | +27.0% |
| 2011 | 1,383,727 | +26.0% |
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