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Historical Values
Year Value
1990 ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
1991 ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
1992 ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
1993 ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
1994 ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
1995 ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
1996 ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
1997 ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
1998 ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
1999 ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
2000 ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
2001 ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
2002 ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
2003 ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
2004 ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
2005 ratified 3 March 1952, approved by US Congress 3 July 1952, effective 25 July 1952
2006 ratified 3 March 1952, approved by US Congress 3 July 1952, effective 25 July 1952
2007 ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
2008 ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
2009 ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
2010 ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
2011 ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
2012 ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
2013 previous 1900 (Organic Act, or Foraker Act); latest ratified 3 March 1952, approved 3 July 1952, effective 25 July 1952; note - constitutional amendments introduced in 2012 were rejected in a referendum (2013)
2014 previous 1900 (Organic Act, or Foraker Act); latest ratified 3 March 1952, approved 3 July 1952, effective 25 July 1952; note - constitutional amendments introduced in 2012 were rejected in a referendum (2013)
2015 previous 1900 (Organic Act, or Foraker Act); latest ratified 3 March 1952, approved 3 July 1952, effective 25 July 1952; note - constitutional amendments introduced in 2012 were rejected in a referendum (2015)
2016 previous 1900 (Organic Act, or Foraker Act); latest ratified 3 March 1952, approved 3 July 1952, effective 25 July 1952 (2016)
2017 previous 1900 (Organic Act, or Foraker Act); latest ratified 3 March 1952, approved 3 July 1952, effective 25 July 1952 (2016)
2018 history: previous 1900 (Organic Act, or Foraker Act); latest ratified by referendum 3 March 1952, approved 3 July 1952, effective 25 July 1952 (2018) | amendments: proposed by a concurrent resolution of at least two-thirds majority by the total Legislative Assembly membership; approval requires at least two-thirds majority vote by the membership of both houses and approval by a majority of voters in a special referendum; if passed by at least three-fourths Assembly vote, the referendum can be he
2019 history: previous 1900 (Organic Act, or Foraker Act); latest ratified by referendum 3 March 1952, approved 3 July 1952, effective 25 July 1952 | amendments: proposed by a concurrent resolution of at least two-thirds majority by the total Legislative Assembly membership; approval requires at least two-thirds majority vote by the membership of both houses and approval by a majority of voters in a special referendum; if passed by at least three-fourths Assembly vote, the referendum can be held conc
2020 history: previous 1900 (Organic Act, or Foraker Act); latest ratified by referendum 3 March 1952, approved 3 July 1952, effective 25 July 1952 | amendments: proposed by a concurrent resolution of at least two-thirds majority by the total Legislative Assembly membership; approval requires at least two-thirds majority vote by the membership of both houses and approval by a majority of voters in a special referendum; if passed by at least three-fourths Assembly vote, the referendum can be held conc
2021 history: previous 1900 (Organic Act, or Foraker Act); latest ratified by referendum 3 March 1952, approved 3 July 1952, effective 25 July 1952 amendments: proposed by a concurrent resolution of at least two-thirds majority by the total Legislative Assembly membership; approval requires at least two-thirds majority vote by the membership of both houses and approval by a majority of voters in a special referendum; if passed by at least three-fourths Assembly vote, the referendum can be held concur
2022 history: previous 1900 (Organic Act, or Foraker Act); latest ratified by referendum 3 March 1952, approved 3 July 1952, effective 25 July 1952 amendments: proposed by a concurrent resolution of at least two-thirds majority by the total Legislative Assembly membership; approval requires at least two-thirds majority vote by the membership of both houses and approval by a majority of voters in a special referendum; if passed by at least three-fourths Assembly vote, the referendum can be held concur
2023 history: previous 1900 (Organic Act, or Foraker Act); latest ratified by referendum 3 March 1952, approved 3 July 1952, effective 25 July 1952 amendments: proposed by a concurrent resolution of at least two-thirds majority by the total Legislative Assembly membership; approval requires at least two-thirds majority vote by the membership of both houses and approval by a majority of voters in a special referendum; if passed by at least three-fourths Assembly vote, the referendum can be held concur
2024 history: previous 1900 (Organic Act, or Foraker Act); latest ratified by referendum 3 March 1952, approved 3 July 1952, effective 25 July 1952 amendments: proposed by a concurrent resolution of at least two-thirds majority by the total Legislative Assembly membership; approval requires at least two-thirds majority vote by the membership of both houses and approval by a majority of voters in a special referendum; if passed by at least three-fourths Assembly vote, the referendum can be held concur
2025 history: previous 1900 (Organic Act, or Foraker Act); latest ratified by referendum 3 March 1952, approved 3 July 1952, effective 25 July 1952 amendment process: proposed by a concurrent resolution of at least two-thirds majority by the total Legislative Assembly membership; approval requires at least two-thirds majority vote by the membership of both houses and approval by a majority of voters in a special referendum; if passed by at least three-fourths Assembly vote, the referendum can be held