The Bharatiya Janata Party won Assam's assembly election again, extending its own run in power.

It won 82 of the 126 seats, a landslide majority on its own.

That was 18 seats above the 64-seat mark needed for a majority.

The Indian National Congress came in second with 19 seats, on 29.8% of the vote.

BJP's vote share reached 37.8%, which converted into 65.1% of the seats.

In November 2025 the Indian National Congress and seven other parties revived the Asom Sonmilito Morcha alliance ahead of the election, later joined by the Raijor Dal, Assam Jatiya Parishad, CPI(M), CPI(ML)L and All Party Hill Leaders Conference, with the AIUDF left outside. Gaurav Gogoi became its Chairman.¹

The Election Commission announced on 15 March 2026 that the 126-seat assembly election would be held in a single phase on 9 April 2026, with counting on 4 May 2026.²

The United People's Party, Liberal left the NDA on 17 March 2026 after the BJP finalised Bodoland Territorial Region seat-sharing with the Bodoland People's Front instead of UPPL, and it contested the election independently.³

Election-related violence broke out at Tamulpur and Sivasagar on the night before polling, and seven people were arrested; police fired shots in the air to disperse a mob at Tamulpur ahead of the 9 April 2026 vote.⁴

The BJP made the single biggest gain of the election, picking up seats from the INC.

It gained 18 of them.

BJP's own seat total grew from 60 to 82 seats this time.

53 of 126 constituencies changed hands statewide since the last election.

Turnout, the share of registered voters who actually cast a ballot, rose +4.3 pp from the previous election — the highest the state has recorded.

The closest race was at Hajo-Sualkuchi, Assam, decided by a margin — how far ahead the winner finished, in votes, over whoever came second — of 724 votes.

Lakhipur, Assam saw the widest margin of the election, with the winner finishing 64.7% ahead of the runner-up.

Birsing Jarua, Assam recorded the highest turnout of any seat, 96.8%.

Algapur-Katlicherra, Assam drew the most candidates of any seat, 15 names on the ballot.

Dalgaon, Assam was the largest constituency by registered voters, with 3,17,472 on its rolls.

NOTA — None of the Above, a ballot option letting voters formally reject every candidate on offer — drew 2,67,186 votes statewide, 1.2% of the total.

The North-Eastern Areas (Reorganisation) Act, 1971, effective 21 January 1972, created the states of Manipur, Tripura and Meghalaya and the union territories of Mizoram and Arunachal Pradesh out of the former state of Assam, reducing Assam's territory to its present boundaries.⁵

The Assam Accord, signed 15 August 1985 by the Government of India and Assam Movement leaders, ended a six-year agitation over immigration and set 1 January 1966 as the cutoff date for detecting foreign nationals. Movement leaders then founded the Asom Gana Parishad, which won the December 1985 assembly election, and its president Prafulla Kumar Mahanta became Chief Minister.⁶