Arunachal Pradesh society is a patriarchal society. The society in Arunachal Pradesh is a primogeniture society, where the laws of inheritance mostly support the male member of the family.
An important feature of the society of Arunachal Pradesh is that the people in Arunachal Pradesh observe endogamy: clan exogamy can also be seen within the social set up of Arunachal Pradesh. Endogamy and exogamy are two distinct features of the society at Arunachal Pradesh.
Another major feature of the society of Arunachal Pradesh is that the polygamy is allowed in the Arunachal Pradesh society. Although polygamy is an offense according to the laws of the Indian Constitution, yet the society has a social sanction for polygamy. Polygamy, unlike in other parts of India, is not considered as a taboo in Arunachal Pradesh.
Moreover, the tribes and sub-tribes housed in Arunachal Pradesh form an inevitable part of the society of Arunachal Pradesh. Among the tribes and sub-tribes residing in Arunachal Pradesh are:
- Apatanis
- Khamptis
- Miris
- Sherdukpens
- Deoris
- Singpos
- Padmas
- Adis
- Nishis
- Akas
- Monpas
- Tangshas
- Sherdukpens
- Misaim, etc.
- Murung
- Yulo
- Jomu
- Chosker
- Mlokom Yulo
- Si-Dioni
- Boori Boot
- Dree
- Nyokum, etc.


