According to the revised electoral system announced by the Election Commission, the number of parliamentary seats allocated to the Colombo District has increased from 18 to 19, while the allocation for the Badulla District has decreased from nine to eight.
In a notice, the Election Commission stated that the number of electors registered in each electoral district, based on the Main Electoral Register for 2026 and the 2026 (1) Supplementary Electoral Register, and the corresponding number of Members of Parliament to be elected from each district, had been determined in accordance with Article 98(8) of the Constitution of the Democratic Socialist Republic of Sri Lanka.
The Commission further stated that the relevant Extraordinary Gazette Notification, bearing No. 2511/02, was issued on 19 October 2026.
The revised allocation of parliamentary seats for each electoral district, based on the 2026 electoral registers, is detailed in the table below.
