Polling divisions  in Sri Lanka  are subdivisions of the country's electoral districts . From the 1st parliamentary election in 1947  to the 8th in 1977 , members  were elected to the parliament using a first-past-the-post  system from these polling divisions. This system changed in 1978.[ 1] 
The 1978 Constitution  introduced a proportional representation  electoral system, electing Members of Parliament  from 22 multi-member electoral districts .[ 2] [ 3] 
All but two electoral districts correspond to their respective administrative districts. The exceptions are Jaffna , covering both Jaffna District  and Kilinochchi District , and Vanni , covering Mannar District , Mullaitivu District , and Vavuniya District . The first general election under this system was the 1989 election . 
Polling divisions are still maintained for declaring election results, and for administrative purposes to facilitate the management and organisation of electoral processes.[ 4] 
 
Electoral districts    Registered electors and seat allocation changes: 2020 to 2024[ 5] [ 6] [ 7]    Provinces Districts Registered electors  Number of allocated seats     2020  2024  2020  2024  Change     Western Colombo 1,709,209  1,765,351  19  18     Gampaha 1,785,964  1,881,129  18  19     Kalutara 972,319  1,024,244  10  11     Central Kandy 1,129,100  1,191,399  12  12     Matale 407,569  429,991  5  5     Nuwara Eliya 577,717  605,292  8  8     Southern Galle 867,709  903,163  9  9     Matara 659,587  686,175  7  7     Hambantota 493,192  520,940  7  7     Northern Jaffna 571,848  593,187  7  6     Vanni 287,024  306,081  6  6     Eastern Batticaloa 409,808  449,686  5  5     Ampara 513,979  555,432  7  7     Trincomalee 288,868  315,925  4  4     North Western Kurunegala 1,348,787  1,417,226  15  15     Puttalam 614,374  663,673  8  8     North Central Anuradhapura 693,634  741,862  9  9     Polonnaruwa 331,109  351,302  5  5     Uva Badulla 668,166  705,772  9  9     Monaragala 372,155  399,166  6  6     Sabaragamuwa Ratnapura 877,582  923,736  11  11     Kegalle 684,189  709,622  9  9     National List —  —  —  29  29     Total  —  16,263,885  17,140,354  225  225   
 
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Central Province Eastern Province Northern Province North Central Province North Western Province Sabaragamuwa Southern Province Uva Western Province Appointed  Electoral districts of Sri Lanka (1931–1947) Electoral districts of Sri Lanka (1947–1989)  
Central Province Eastern Province Northern Province North Central Province North Western Province Uva Sabaragamuwa Southern Province Western Province Current Electoral districts of Sri Lanka
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