The CIA World Factbook Every edition, 1990 to 2025 Africa
Constitution Nigeria, in 36 editions.
The entry for Nigeria published Constitution in 36 editions of 36, from 1990 to 2025. The text changed in 16 editions. Each is shown as published. Constitution in every entry.
- editions changed the text
- 16
- the first edition with it
- 1990
- the latest edition with it
- 2025
Published as “Constitution” (1990 to 2025).
field in that editiontext changed from the edition beforenot in that editionthe edition shownChoose an edition on the strip beside the text, or step through them with the arrows. Mark changes compares it with the edition before: the marks are ours, words added and words removed.
2025 edition
Changed since 2024The same text in 4 editions, 1990 to 1993.
1 October 1979, amended 9 February 1984, revised 1989
1 October 1979, amended 9 February 1984, revised 1989
1979 constitution still in force; plan for 1989 constitution to take effect in 1993 was not implemented
1 October 1979, amended 9 February 1984, revised 1979 constitution still in force; plan for 1989 constitution to take
effect in 1993 was not implemented
The same text in 1995 and 1996.
1979 constitution still in force; plan for 1989 constitution to take effect in 1993 was not implemented
1979 constitution still in force; plan for 1989
constitution to take
1979 constitution still partially in force; plan for 1989 constitution to take effect in 1993 was not implemented
1979 constitution still partially in force; plan for 1989
1989 constitution to take effect in 1993 was not implemented
- 1979 constitution still partially in force;
- plan for 1989 constitution to take effect in 1993 was not implemented;
- draft 1995 constitution has not been published;
- the military government rules by decree
1979 constitution still partially in force; plan for
1989 constitution to take effect in 1993 was not implemented implemented; draft
1995 constitution has not been published; the military government
rules by decree
1979 constitution still partially in force
Rewritten: too little of the 1998 text remains to mark the changes.
1979 constitution still partially in force
The same text in 2000 and 2001.
NA 1999 new constitution adopted
1979 NA 1999 new constitution still partially in force adopted
The same text in 5 editions, 2002 to 2006.
new constitution adopted May 1999
NA 1999 new constitution adopted May 1999
The same text in 2007 and 2008.
new constitution adopted 5 May 1999; effective 29 May 1999
new constitution adopted 5 May 1999; effective 29 May 1999
The same text in 4 editions, 2009 to 2012.
adopted 5 May 1999; effective 29 May 1999
new constitution adopted 5 May 1999; effective 29 May 1999
The same text in 3 editions, 2013 to 2015.
- several previous;
- latest adopted 5 May 1999, effective 29 May 1999;
- amended 2010 (2010)
several previous; latest adopted 5 May 1999; 1999, effective 29 May 1999 1999; amended 2010 (2010)
- several previous;
- latest adopted 5 May 1999, effective 29 May 1999;
- amended several times, last in 2012 (2016)
several previous; latest adopted 5 May 1999, effective 29 May 1999; amended 2010 (2010) several times, last in 2012 (2016)
- history:
- several previous; latest adopted 5 May 1999, effective 29 May 1999
- amendments:
- proposed by the National Assembly;
- passage requires at least two-thirds majority vote of both houses and approval by the Houses of Assembly of at least two-thirds of the states;
- amendments to constitutional articles on the creation of a new state, fundamental constitutional rights, or constitution-amending procedures requires at least four-fifths majority vote by both houses of the National Assembly and approval by the Houses of Assembly in at least two-thirds of the states;
- passage of amendments limited to the creation of a new state require at least two-thirds majority by the proposing National Assembly house and approval by the Houses of Assembly in two-thirds of the states;
- amended several times, last in 2012 (2017)
Rewritten: too little of the 2016 text remains to mark the changes.
history: several previous; latest adopted 5 May 1999, effective 29 May 1999
amendments: proposed by the National Assembly; passage requires at least two-thirds majority vote of both houses and approval by the Houses of Assembly of at least two-thirds of the states; amendments to constitutional articles on the creation of a new state, fundamental constitutional rights, or constitution-amending procedures requires at least four-fifths majority vote by both houses of the National Assembly and approval by the Houses of Assembly in at least two-thirds of the states; passage of amendments limited to the creation of a new state require at least two-thirds majority by the proposing National Assembly house and approval by the Houses of Assembly in two-thirds of the states; amended several times, last in 2012 (2017)
- history:
- several previous; latest adopted 5 May 1999, effective 29 May 1999 (2018)
- amendments:
- proposed by the National Assembly;
- passage requires at least two-thirds majority vote of both houses and approval by the Houses of Assembly of at least two-thirds of the states;
- amendments to constitutional articles on the creation of a new state, fundamental constitutional rights, or constitution-amending procedures requires at least four-fifths majority vote by both houses of the National Assembly and approval by the Houses of Assembly in at least two-thirds of the states;
- passage of amendments limited to the creation of a new state require at least two-thirds majority by the proposing National Assembly house and approval by the Houses of Assembly in two-thirds of the states;
- amended several times, last in 2018 (2018)
history: several previous; latest adopted 5 May 1999, effective 29 May 1999 (2018)
amendments: proposed by the National Assembly; passage requires at least two-thirds majority vote of both houses and approval by the Houses of Assembly of at least two-thirds of the states; amendments to constitutional articles on the creation of a new state, fundamental constitutional rights, or constitution-amending procedures requires at least four-fifths majority vote by both houses of the National Assembly and approval by the Houses of Assembly in at least two-thirds of the states; passage of amendments limited to the creation of a new state require at least two-thirds majority by the proposing National Assembly house and approval by the Houses of Assembly in two-thirds of the states; amended several times, last in 2012 (2017) 2018 (2018)
- history:
- several previous; latest adopted 5 May 1999, effective 29 May 1999
- amendments:
- proposed by the National Assembly;
- passage requires at least two-thirds majority vote of both houses and approval by the Houses of Assembly of at least two thirds of the states;
- amendments to constitutional articles on the creation of a new state, fundamental constitutional rights, or constitution-amending procedures requires at least four-fifths majority vote by both houses of the National Assembly and approval by the Houses of Assembly in at least two thirds of the states;
- passage of amendments limited to the creation of a new state require at least two-thirds majority vote by the proposing National Assembly house and approval by the Houses of Assembly in two thirds of the states;
- amended several times, last in 2018 (2018)
history: several previous; latest adopted 5 May 1999, effective 29 May 1999 (2018)
amendments: proposed by the National Assembly; passage requires at least two-thirds majority vote of both houses and approval by the Houses of Assembly of at least two-thirds two thirds of the states; amendments to constitutional articles on the creation of a new state, fundamental constitutional rights, or constitution-amending procedures requires at least four-fifths majority vote by both houses of the National Assembly and approval by the Houses of Assembly in at least two-thirds two thirds of the states; passage of amendments limited to the creation of a new state require at least two-thirds majority vote by the proposing National Assembly house and approval by the Houses of Assembly in two-thirds two thirds of the states; amended several times, last in 2018 (2018)
The same text in 5 editions, 2020 to 2024.
- history:
- several previous; latest adopted 5 May 1999, effective 29 May 1999
- amendments:
- proposed by the National Assembly;
- passage requires at least two-thirds majority vote of both houses and approval by the Houses of Assembly of at least two thirds of the states;
- amendments to constitutional articles on the creation of a new state, fundamental constitutional rights, or constitution-amending procedures requires at least four-fifths majority vote by both houses of the National Assembly and approval by the Houses of Assembly in at least two thirds of the states;
- passage of amendments limited to the creation of a new state require at least two-thirds majority vote by the proposing National Assembly house and approval by the Houses of Assembly in two thirds of the states;
- amended several times, last in 2018
history: several previous; latest adopted 5 May 1999, effective 29 May 1999
amendments: proposed by the National Assembly; passage requires at least two-thirds majority vote of both houses and approval by the Houses of Assembly of at least two thirds of the states; amendments to constitutional articles on the creation of a new state, fundamental constitutional rights, or constitution-amending procedures requires at least four-fifths majority vote by both houses of the National Assembly and approval by the Houses of Assembly in at least two thirds of the states; passage of amendments limited to the creation of a new state require at least two-thirds majority vote by the proposing National Assembly house and approval by the Houses of Assembly in two thirds of the states; amended several times, last in 2018 (2018)
- history:
- several previous; latest adopted 5 May 1999, effective 29 May 1999
- amendment process:
- proposed by the National Assembly;
- passage requires at least two-thirds majority vote of both houses and approval by the Houses of Assembly of at least two thirds of the states;
- amendments to constitutional articles on the creation of a new state, fundamental constitutional rights, or constitution-amending procedures requires at least four-fifths majority vote by both houses of the National Assembly and approval by the Houses of Assembly in at least two thirds of the states;
- passage of amendments limited to the creation of a new state require at least two-thirds majority vote by the proposing National Assembly house and approval by the Houses of Assembly in two thirds of the states
history: several previous; latest adopted 5 May 1999, effective 29 May 1999amendments: amendment process: proposed by the National Assembly; passage requires at least two-thirds majority vote of both houses and approval by the Houses of Assembly of at least two thirds of the states; amendments to constitutional articles on the creation of a new state, fundamental constitutional rights, or constitution-amending procedures requires at least four-fifths majority vote by both houses of the National Assembly and approval by the Houses of Assembly in at least two thirds of the states; passage of amendments limited to the creation of a new state require at least two-thirds majority vote by the proposing National Assembly house and approval by the Houses of Assembly in two thirds of the states; amended several times, last in 2018 states
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Cite this page
Central Intelligence Agency. “Nigeria: Constitution.” The World Factbook, 1990–2025 editions. Archived by The Factbook, thefactbook.org/nigeria/constitution.