15th Parliament of Sri Lanka  The 15th Parliament of Sri Lanka is the current Parliament of Sri Lanka, with the membership determined by the results of the 2015 parliamentary election held on 17 August 2015. The parliament met for the first time on 1 September 2015. According to the Constitution of Sri Lanka the maximum legislative term of the parliament is 5 years from the first meeting. The 15th parliamentary election was held on 17 August 2015. The incumbent United National Party (UNP) led United National Front for Good Governance (UNFGG) won 106 seats, an increase of 46 since the 2010 election, but failed to secure a majority in Parliament. The main opposition United People's Freedom Alliance (UPFA) won 95 seats, a decline of 49. The Tamil National Alliance (TNA), the largest party representing Sri Lankan Tamils, won 16 seats, an increase of two from 2010. The remaining eight seats were won by Janatha Vimukthi Peramuna (6), Sri Lanka Muslim Congress (1) and Eelam People's Democratic Party (1). The new parliament was sworn in on 1 September 2015. Karu Jayasuriya was elected Speaker, Thilanga Sumathipala as the Deputy Speaker and Selvam Adaikalanathan as the Deputy Chairman of Committees. Lakshman Kiriella was appointed Leader of the House and Gayantha Karunathilaka was appointed Chief Government Whip. The Speaker recognised TNA leader R. Sampanthan as Leader of the Opposition on 3 September 2015. JVP leader Anura Kumara Dissanayaka was nominated to be Chief Opposition Whip. The Parliament became a Constitutional Assembly on 9 March 2016 in order to formulate a new constitution for Sri Lanka. Thilanga Sumathipala resigned as Deputy Speaker on 25 May 2018. His replacement Ananda Kumarasiri was elected on 5 June 2018. Following the withdrawal of the UPFA from the national government, Mahinda Rajapaksa and Mahinda Amaraweera were recognised as Leader of the Opposition and Chief Opposition Whip on 18 December 2018. On 20 August 2015 the central committee of the Sri Lanka Freedom Party (SLFP), the main constituent of the UPFA, agreed to form a national government with the UNP for two years. Ranil Wickremesinghe, leader of the UNP, was sworn in as Prime Minister on 21 August 2015. Immediately afterwards a memorandum of understanding to work together in Parliament was signed by acting SLFP general secretary Duminda Dissanayake and UNP general secretary Kabir Hashim.