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Historical Values
Year Value
1990 adopted NA December 1989 after 15 years of military rule
1991 adopted NA December 1989 after 15 years of military rule
1992 December 1989 constitution revised November 1991 by National Democratic Reform Conference
1993 December 1989 constitution revised November 1991 by National Democratic Reform Conference
1994 approved by national referendum 16 December 1992; promulgated January 1993
1995 approved by national referendum 16 December 1992; promulgated January 1993
1996 the constitution of January 1993 was revised by national referendum on 12 May 1996
1997 the constitution of January 1993 was revised by national referendum on 12 May 1996
1998 the constitution of January 1993 was revised by national referendum on 12 May 1996
1999 the constitution of January 1993 was revised by national referendum on 12 May 1996
2000 the constitution of January 1993 was revised by national referendum on 12 May 1996 and again by referendum on 18 July 1999
2001 the constitution of January 1993 was revised by national referendum on 12 May 1996 and again by referendum on 18 July 1999
2002 the constitution of January 1993 was revised by national referendum on 12 May 1996 and again by referendum on 18 July 1999
2003 the constitution of January 1993 was revised by national referendum on 12 May 1996 and again by referendum on 18 July 1999
2004 a new constitution was adopted 18 July 1999
2005 new constitution adopted 18 July 1999
2006 new constitution adopted 18 July 1999
2007 new constitution adopted 18 July 1999
2008 new constitution adopted 18 July 1999
2009 adopted 18 July 1999
2010 adopted 18 July 1999
2011 adopted 31 October 2010
2012 adopted 31 October 2010
2013 several previous; latest adopted 31 October 2010 (2010)
2014 several previous; passed by referendum 31 October 2010, entered into force 25 November 2010 (2014)
2015 several previous; passed by referendum 31 October 2010, entered into force 25 November 2010 (2014)
2016 several previous; passed by referendum 31 October 2010, entered into force 25 November 2010 (2016)
2017 history: several previous; passed by referendum 31 October 2010, entered into force 25 November 2010 | amendments: proposed by the president of the republic or by the National Assembly; consideration of amendments requires at least three-fourths majority vote by the Assembly; passage requires at least four-fifths majority vote; if disapproved, the proposed amendment is dropped or submitted to a referendum; constitutional articles on the form of government, the multiparty system, the separation o
2018 history: several previous; passed by referendum 31 October 2010, entered into force 25 November 2010 (2017) | amendments: proposed by the president of the republic or by the National Assembly; consideration of amendments requires at least three-fourths majority vote by the Assembly; passage requires at least four-fifths majority vote; if disapproved, the proposed amendment is dropped or submitted to a referendum; constitutional articles on the form of government, the multiparty system, the separ
2019 history: several previous; passed by referendum 31 October 2010, entered into force 25 November 2010 | amendments: proposed by the president of the republic or by the National Assembly; consideration of amendments requires at least three-fourths majority vote by the Assembly; passage requires at least four-fifths majority vote; if disapproved, the proposed amendment is dropped or submitted to a referendum; constitutional articles on the form of government, the multiparty system, the separation o
2020 history: several previous; passed by referendum 31 October 2010, entered into force 25 November 2010 | amendments: proposed by the president of the republic or by the National Assembly; consideration of amendments requires at least three-fourths majority vote by the Assembly; passage requires at least four-fifths majority vote; if disapproved, the proposed amendment is dropped or submitted to a referendum; constitutional articles on the form of government, the multiparty system, the separation o
2021 history: several previous; passed by referendum 31 October 2010, entered into force 25 November 2010 amendments: proposed by the president of the republic or by the National Assembly; consideration of amendments requires at least three-fourths majority vote by the Assembly; passage requires at least four-fifths majority vote; if disapproved, the proposed amendment is dropped or submitted to a referendum; constitutional articles on the form of government, the multiparty system, the separation of
2022 history: several previous; passed by referendum 31 October 2010, entered into force 25 November 2010 amendments: proposed by the president of the republic or by the National Assembly; consideration of amendments requires at least three-fourths majority vote by the Assembly; passage requires at least four-fifths majority vote; if disapproved, the proposed amendment is dropped or submitted to a referendum; constitutional articles on the form of government, the multiparty system, the separation of
2023 history: several previous; passed by referendum 31 October 2010, entered into force 25 November 2010 amendments: proposed by the president of the republic or by the National Assembly; consideration of amendments requires at least three-fourths majority vote by the Assembly; passage requires at least four-fifths majority vote; if disapproved, the proposed amendment is dropped or submitted to a referendum; constitutional articles on the form of government, the multiparty system, the separation of
2024 history: several previous; passed by referendum 31 October 2010, entered into force 25 November 2010 amendments: formerly proposed by the president of the republic or by the National Assembly; consideration of amendments requires at least three-fourths majority vote by the Assembly; passage requires at least four-fifths majority vote; if disapproved, the proposed amendment is dropped or submitted to a referendum; constitutional articles on the form of government, the multiparty system, the separ
2025 history: several previous; passed by referendum 31 October 2010, entered into force 25 November 2010 amendment process: formerly proposed by the president of the republic or the National Assembly; consideration of amendments requires at least three-fourths majority vote by the Assembly; passage requires at least four-fifths majority vote; if disapproved, the proposed amendment is dropped or submitted to a referendum; constitutional articles on the form of government, the multiparty system, the s