As per details from Census 2011, Arunachal Pradesh has population of 13.84 Lakhs, an increase from figure of 10.98 Lakh in 2001 census. Total population of Arunachal Pradesh as per 2011 census is 1,383,727 of which male and female are 713,912 and 669,815 respectively. In 2001, total population was 1,097,968 in which males were 579,941 while females were 518,027.
The total population growth in this decade was 26.03 percent while in previous decade it was 26.21 percent. The population of Arunachal Pradesh forms 0.11 percent of India in 2011. In 2001, the figure was 0.11 percent.
Arunachal Pradesh Table Data
| Description | 2011 | 2001 |
| Approximate Population | 13.84 Lakhs | 10.98 Lakh |
| Actual Population | 1,383,727 | 1,097,968 |
| Male | 713,912 | 579,941 |
| Female | 669,815 | 518,027 |
| Population Growth | 26.03% | 26.21% |
| Percantage of total Population | 0.11% | 0.11% |
| Sex Ratio | 938 | 893 |
| Child Sex Ratio | 972 | 964 |
| Density/km2 | 17 | 13 |
| Density/mi2 | 43 | 34 |
| Area(Km2) | 83,743 | 83,743 |
| Area mi2 | 32,333 | 32,333 |
| Total Child Population (0-6 Age) | 212,188 | 205,871 |
| Male Population (0-6 Age) | 107,624 | 104,833 |
| Female Population (0-6 Age) | 104,564 | 101,038 |
| Literacy | 65.38 % | 54.34 % |
| Male Literacy | 72.55 % | 63.83 % |
| Female Literacy | 57.70 % | 43.53 % |
| Total Literate | 766,005 | 484,785 |
| Male Literate | 439,868 | 303,281 |
| Female Literate | 326,137 | 181,504 |