Constitution of Sri Lanka

Constitution of the Democratic Socialist Republic of Sri Lanka
Page one of the 1978 Constitution
Overview
JurisdictionSri Lanka
Ratified31 August 1978
Date effective7 September 1978; 46 years ago (1978-09-07)
History
Amendments21
Last amended21 October 2022
Author(s)8th Parliament of Sri Lanka
SupersedesSri Lankan Constitution of 1972

The Constitution of the Democratic Socialist Republic of Sri Lanka (Sinhala: ශ්‍රී ලංකා ආණ්ඩුක්‍රම ව්‍යවස්ථාව, romanized: Śrī Laṃkā āndukrama vyavasthāva, Tamil: இலங்கைச் சனநாயக சோசலிசக் குடியரசின் அரசமைப்பு, romanized: Ilaṅkaic caṉanāyaka cōcalicak kuṭiyaraciṉ aracamaippu) has been the constitution of the island nation of Sri Lanka since its original promulgation by the National State Assembly on 7 September 1978. As of October 2022 it has been formally amended 21 times.

It is Sri Lanka's second republican constitution, replacing the Sri Lankan Constitution of 1972, its third constitution since the country received independence within the British Commonwealth as the Dominion of Ceylon in 1948, and its fourth constitution overall.