According to the 2020 Electoral Roll, the number of seats in the Gampaha District has increased by 1 and the number of seats in the Jaffna District has decreased by 1.
Accordingly, the number of seats in the Gampaha District has increased from 18 to 19 and the number of seats in the Jaffna District has decreased from 7 to 6.
According to the 2020 Electoral Roll, the number of voters has increased by 172,000.
Accordingly, the total number of voters in the country has increased to 164MN.