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Historical Values
Year Value
1990 28 July 1980 (often referred to as the 1979 Constitution because constituent assembly met in 1979, but Constitution actually took effect the following year); reestablished civilian government with a popularly elected president and bicameral legislature
1991 28 July 1980 (often referred to as the 1979 Constitution because the Constituent Assembly met in 1979, but the Constitution actually took effect the following year); reestablished civilian government with a popularly elected president and bicameral legislature
1992 28 July 1980 (often referred to as the 1979 Constitution because the Constituent Assembly met in 1979, but the Constitution actually took effect the following year); suspended 5 April 1992
1993 28 July 1980 (often referred to as the 1979 Constitution because the Constituent Assembly met in 1979, but the Constitution actually took effect the following year); suspended 5 April 1992; being revised or replaced
1994 31 December 1993
1995 31 December 1993
1996 31 December 1993
1997 31 December 1993
1998 31 December 1993
1999 31 December 1993
2000 31 December 1993
2001 31 December 1993
2002 31 December 1993
2003 31 December 1993
2004 31 December 1993
2005 31 December 1993
2006 31 December 1993
2007 29 December 1993
2008 29 December 1993
2009 29 December 1993
2010 29 December 1993
2011 29 December 1993
2012 29 December 1993
2013 several previous; latest promulgated 29 December 1993, enacted 31 December 1993; amended several times, last in 2009 (2009)
2014 several previous; latest promulgated 29 December 1993, enacted 31 December 1993; amended several times, last in 2009 (2009)
2015 several previous; latest promulgated 29 December 1993, enacted 31 December 1993; amended several times, last in 2009 (2009)
2016 several previous; latest promulgated 29 December 1993, enacted 31 December 1993; amended several times, last in 2015 (2016)
2017 several previous; latest promulgated 29 December 1993, enacted 31 December 1993; amended several times, last in 2015 (2016)
2018 history: several previous; latest promulgated 29 December 1993, enacted 31 December 1993 (2018) | amendments: proposed by Congress, by the president of the republic with the approval of the "Cabinet, " or by petition of at least 0.3% of voters; passage requires absolute majority approval by the Congress membership, followed by approval in a referendum; a referendum is not required if Congress approves the amendment by greater than two-thirds majority vote in each of two successive sessions; amen
2019 history: several previous; latest promulgated 29 December 1993, enacted 31 December 1993 | amendments: proposed by Congress, by the president of the republic with the approval of the "Cabinet, " or by petition of at least 0.3% of voters; passage requires absolute majority approval by the Congress membership, followed by approval in a referendum; a referendum is not required if Congress approves the amendment by greater than two-thirds majority vote in each of two successive sessions; amended man
2020 history: several previous; latest promulgated 29 December 1993, enacted 31 December 1993 | amendments: proposed by Congress, by the president of the republic with the approval of the "Cabinet, " or by petition of at least 0.3% of voters; passage requires absolute majority approval by the Congress membership, followed by approval in a referendum; a referendum is not required if Congress approves the amendment by greater than two-thirds majority vote in each of two successive sessions; amended man
2021 history: several previous; latest promulgated 29 December 1993, enacted 31 December 1993 amendments: proposed by Congress, by the president of the republic with the approval of the "Cabinet, " or by petition of at least 0.3% of voters; passage requires absolute majority approval by the Congress membership, followed by approval in a referendum; a referendum is not required if Congress approves the amendment by greater than two-thirds majority vote in each of two successive sessions; amended many
2022 history: several previous; latest promulgated 29 December 1993, enacted 31 December 1993 amendments: proposed by Congress, by the president of the republic with the approval of the Council of Ministers or by petition of at least 0.3% of voters; passage requires absolute majority approval by the Congress membership, followed by approval in a referendum; a referendum is not required if Congress approves the amendment by greater than two-thirds majority vote in each of two successive sessions; amen
2023 history: several previous; latest promulgated 29 December 1993, enacted 31 December 1993 amendments: proposed by Congress, by the president of the republic with the approval of the Council of Ministers or by petition of at least 0.3% of voters; passage requires absolute majority approval by the Congress membership, followed by approval in a referendum; a referendum is not required if Congress approves the amendment by greater than two-thirds majority vote in each of two successive sessions; amen
2024 history: several previous; latest promulgated 29 December 1993, enacted 31 December 1993 amendments: proposed by Congress, by the president of the republic with the approval of the Council of Ministers or by petition of at least 0.3% of voters; passage requires absolute majority approval by the Congress membership, followed by approval in a referendum; a referendum is not required if Congress approves the amendment by greater than two-thirds majority vote in each of two successive sessions; amen
2025 history: several previous; latest promulgated 29 December 1993, enacted 31 December 1993 amendment process: proposed by Congress, by the president of the republic with the approval of the Council of Ministers or by petition of at least 0.3% of voters; passage requires absolute majority approval by the Congress membership, followed by approval in a referendum; a referendum is not required if Congress approves the amendment by greater than two-thirds majority vote in each of two successive session