page_title: Constitution of Sri Lanka
hierarchical_section_title: Constitution of Sri Lanka
caption_attribution_description: English: First page of the 1978 constitution of Sri Lanka
context_page_description: The Constitution of the Democratic Socialist Republic of Sri Lanka 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 May 2015 it has been formally amended 19 times.
  It is Sri Lanka's second republican constitution, replacing the Sri Lankan Constitution of 1972, its third constitution since the country received autonomy within the British Commonwealth as the Dominion of Ceylon in 1948, and its fourth constitution overall.
context_section_description: The Constitution of the Democratic Socialist Republic of Sri Lanka (Sinhala: ශ්‍රී ලංකා ආණ්ඩුක්‍රම ව්‍යවස්ථාව, romanized: Śrī Laṃkā āndukrama vyavasthāva, Tamil: இலங்கை அரசியலமைப்பின், romanized: Ilaṅkai araciyalamaippiṉ) 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 May 2015 it has been formally amended 19 times.
  It is Sri Lanka's second republican constitution, replacing the Sri Lankan Constitution of 1972, its third constitution since the country received autonomy within the British Commonwealth as the Dominion of Ceylon in 1948, and its fourth constitution overall.
caption: Page one of the 1978 Constitution
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