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Historical Values
Year Value
1990 15 March 1984 (Zanzibar has its own Constitution but remains subject to provisions of the union Constitution)
1991 15 March 1984 (Zanzibar has its own Constitution but remains subject to provisions of the union Constitution)
1992 15 March 1984 (Zanzibar has its own Constitution but remains subject to provisions of the union Constitution)
1993 15 March 1984 (Zanzibar has its own constitution but remains subject to provisions of the union constitution)
1994 25 April 1977; major revisions October 1984
1995 25 April 1977; major revisions October 1984
1996 25 April 1977; major revisions October 1984
1997 25 April 1977; major revisions October 1984
1998 25 April 1977; major revisions October 1984
1999 25 April 1977; major revisions October 1984
2000 25 April 1977; major revisions October 1984
2001 25 April 1977; major revisions October 1984
2002 25 April 1977; major revisions October 1984
2003 25 April 1977; major revisions October 1984
2004 25 April 1977; major revisions October 1984
2005 25 April 1977; major revisions October 1984
2006 25 April 1977; major revisions October 1984
2007 25 April 1977; major revisions October 1984
2008 25 April 1977; major revisions October 1984
2009 25 April 1977; major revisions October 1984
2010 25 April 1977; major revisions October 1984
2011 25 April 1977; major revisions October 1984
2012 25 April 1977; major revisions October 1984
2013 several previous; latest adopted 25 April 1977; amended many times, last in 2012; note - in 2012, the Tanzania Constitutional Review Commission was formed, and in June 2013, completed the first draft of a new constitution (2013)
2014 several previous; latest adopted 25 April 1977; amended many times, last in 2012; note - in 2012, the Tanzania Constitutional Review Commission was formed, and in June 2013, completed the first draft of a new constitution (2013)
2015 several previous; latest adopted 25 April 1977; amended many times, last in 2012; note - a 640-member Constituent Assembly, formed in early 2014, passed a new constitution draft in October; final passage dependent upon outcome of national referendum expected in 2015 (2015)
2016 several previous; latest adopted 25 April 1977; amended many times, last in 2012; note - in 2012, the Tanzania Constitutional Review Commission was formed, and in June 2013, completed the first draft of a new constitution and a second version in December; a 640-member Constituent Assembly, formed in February 2014, passed a new constitution draft in October; a national referendum planned for April 2015 has been postponed (2016)
2017 history: several previous; latest adopted 25 April 1977; note - progress enacting a new constitution drafted in 2014 by the Constituent Assembly has been stalled | amendments: proposed by the National Assembly; passage of amendments to constitutional articles including those on sovereignty of the United Republic, the authorities and powers of the government, the president, the Assembly, and the High Court requires two-thirds majority vote of the mainland Assembly membership and of the Zanzibar H
2018 history: several previous; latest adopted 25 April 1977; note - progress enacting a new constitution drafted in 2014 by the Constituent Assembly has been stalled (2017) | amendments: proposed by the National Assembly; passage of amendments to constitutional articles including those on sovereignty of the United Republic, the authorities and powers of the government, the president, the Assembly, and the High Court requires two-thirds majority vote of the mainland Assembly membership and of the Zan
2019 history: several previous; latest adopted 25 April 1977; note - progress enacting a new constitution drafted in 2014 by the Constituent Assembly stalled | amendments: proposed by the National Assembly; passage of amendments to constitutional articles including those on sovereignty of the United Republic, the authorities and powers of the government, the president, the Assembly, and the High Court requires two-thirds majority vote of the mainland Assembly membership and of the Zanzibar House of R
2020 history: several previous; latest adopted 25 April 1977; note - progress enacting a new constitution drafted in 2014 by the Constituent Assembly stalled | amendments: proposed by the National Assembly; passage of amendments to constitutional articles including those on sovereignty of the United Republic, the authorities and powers of the government, the president, the Assembly, and the High Court requires two-thirds majority vote of the mainland Assembly membership and of the Zanzibar House of R
2021 history: several previous; latest adopted 25 April 1977; note - progress enacting a new constitution drafted in 2014 by the Constituent Assembly has stalled amendments: proposed by the National Assembly; passage of amendments to constitutional articles including those on sovereignty of the United Republic, the authorities and powers of the government, the president, the Assembly, and the High Court requires two-thirds majority vote of the mainland Assembly membership and of the Zanzibar House of
2022 history: several previous; latest adopted 25 April 1977; note - progress enacting a new constitution drafted in 2014 by the Constituent Assembly has stalled amendments: proposed by the National Assembly; passage of amendments to constitutional articles including those on sovereignty of the United Republic, the authorities and powers of the government, the president, the Assembly, and the High Court requires two-thirds majority vote of the mainland Assembly membership and of the Zanzibar House of
2023 history: several previous; latest adopted 25 April 1977; note - progress enacting a new constitution drafted in 2014 by the Constituent Assembly has stalled amendments: proposed by the National Assembly; passage of amendments to constitutional articles including those on sovereignty of the United Republic, the authorities and powers of the government, the president, the Assembly, and the High Court requires two-thirds majority vote of the mainland Assembly membership and of the Zanzibar House of
2024 history: several previous; latest adopted 25 April 1977; note - drafting of a new constitution by the National Assembly in 2014 had stalled, and not until 2021, when President HASSAN expressed the need for broad government reform was there a renewed mandate for a new constitution; a task force drafted and submitted a report in October 2202 with broad government reform recommendations, including a six-pronged approach to a new constitution; the president as recently as mid-2023 reaffirmed her com
2025 history: several previous; latest adopted 25 April 1977 amendment process: proposed by the National Assembly; passage of amendments to constitutional articles including those on sovereignty of the United Republic, the authorities and powers of the government, the president, the Assembly, and the High Court requires two-thirds majority vote of the mainland Assembly membership and of the Zanzibar House of Representatives membership; House of Representatives approval of other amendments is not requ