Arunachal West Parliamentary constituency is in the state of Arunachal Pradesh. It is made up of 33 assembly constituency segments. These assemblies are in East Kameng (5), Kurung Kumey (4), Lower Subansiri (2), Papum Pare (3), Tawang (3), Upper Subansiri (5), West Kameng (4), West Siang (7) districts.

In Loksabha elections 2019, Kiren Rijiju of BJP party won with 216494 votes.
The runner up was Nabam Tuki of INC party . The margin of victory was: 167132 votes.

In Loksabha elections 2014, Kiren Rijiju of BJP party won with 162575 votes.
The runner up was Takam Sanjoy of INC party . The margin of victory was: 36667 votes.