FACTBOX-Preliminary results of Thailand's election

Parliamentary seats are distributed based on 400 open constituency seats and 100 'party-list' seats - or seats won by parties based on their share of national votes. Below are preliminary results of Sunday's ballot, according to the Election Commission of Thailand, with 97% of the vote counted. The tabulation of party-list seats is based on a Reuters tally of voting data made available by the election commission.

Thailand's opposition parties Move Forward and Pheu Thai won the most seats in Sunday's election, paving the way for a challenge to the military-backed government, which has been in power for nearly a decade. Parliamentary seats are distributed based on 400 open constituency seats and 100 'party-list' seats - or seats won by parties based on their share of national votes.

Below are preliminary results of Sunday's ballot, according to the Election Commission of Thailand, with 97% of the vote counted. The tabulation of party-list seats is based on a Reuters tally of voting data made available by the election commission. Move Forward: 151 seats (113 constituency, 38 party-list) Pheu Thai: 141 seats (112 constituency, 29 party-list) Bhumjaithai: 70 seats (67 constituency, 3 party-list) Palang Pracharat: 41 seats (39 constituency, 2 party-list) United Thai Nation: 36 seats (23 constituency, 13 party-list) Democrat Party: 25 seats (22 constituency, 3 party-list) Chart Thai Pattana: 10 seats (9 constituency, 1 party-list) Prachachart: 9 seats (7 constituency, 2 party-list) Thai Sang Thai: 6 seats (5 constituency, 1 part-list) Pheu Thai Rumapalang: 2 constituency seats Chart Pattana Kla: 2 seats (1 constituency seats, 1 party-list) Seri Ruam Thai: 1 party-list seat New Democrat: 1 party-list seat Fair Party: 1 party-list seat New Party: 1 party-list Party of Thai Counties: 1 party-list seat Palung Sungkom Mai: 1 party-list seat Thai Teachers for People: 1 party-list seat (Compiled by Panarat Thepgumpanat, Panu Wongcha-um and Chayut Setboonsarng, editing by Kanupriya Kapoor)