• Badulla loses one 

According to the revised electoral system announced by the Election Commission (EC), 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 EC stated that the number of electors registered in each electoral District, based on the Main Electoral Register for this year (2026), the 2026 (1) Supplementary Electoral Register, and the corresponding number of Parliamentarians to be elected from each District, had been determined in accordance with Article 98(8) of the Constitution. 

The relevant Extraordinary Gazette Notification, bearing Number 2511/02, was issued on 19 October.