IFES Election Guide | Country Profile: Tanzania, United Republic of

United Republic of Tanzania

60,913,557
Population (as of Feb. 8, 2019)

37,655,559
Registered Voters (as of July 26, 2025)

63.49%
Average Turnout

12
Elections in our database

V-Dem* Score: 0.415
Regimes of the World Classification: Electoral Autocracy
*Varieties of Democracy Electoral Democracy Index (2024)

CEDAW Status: Signed and Ratified
Signed Date: July 17, 1980
Ratified Date: Aug. 20, 1985

SIGI* Score: 49.6
Level of Discrimination: High
*Social Institutions and Gender Index (2023)

CRPD Status: Signed and Ratified
Signed Date: March 30, 2007
Ratified Date: Nov. 10, 2009

HDI* Score: 0.555
Category: Medium
*UNDP Human Development Index (2023)

Name	Official Name	Type
Tanzanian Presidency	None	Head of State & Government
Tanzanian National Assembly	Bunge	Assembly

Description of government structure:

Chief of State: President Samia Suluhu HASSAN (since 19 March 2021)
Head of Government: President Samia Suluhu HASSAN (since 19 March 2021)
Assembly: Tanzania has a unicameral National Assembly (Bunge) with 357 seats.

Description of electoral system:

The President is elected by popular vote to serve a 5-year term.
In the National Assembly (Bunge), 239 members are elected by plurality vote in single-member constituencies to serve 5-year terms, 102 members are reserved for women to serve 5-year terms, 5 members are allocated to members of the Zanzibar House of Representatives to serve 5-year terms and 10 members are appointed by the President to serve 5-year terms.

Elections

2025-10-29 | Status: Confirmed
Tanzanian National Assembly
Votes -
Registered 37,655,559
Turnout -

2025-10-29 | Status: Confirmed
Tanzanian Presidency
Votes -
Registered 37,655,559
Turnout -

2020-10-28 | Status: Confirmed
Tanzanian National Assembly
Votes -
Registered -
Turnout -

2020-10-28 | Status: Held
Tanzanian Presidency
Votes 15,091,950
Registered 29,754,699
Turnout 50.72

2015-10-25 | Status: Held
Tanzanian Presidency
Votes 15,193,862
Registered 23,254,485
Turnout 65.34

2015-10-25 | Status: Held
Tanzanian National Assembly
Votes 15,193,682
Registered 23,254,485
Turnout 65.34

2010-10-31 | Status: Held
Tanzanian Presidency
Votes 8,398,415
Registered 19,670,631
Turnout 42.7

2010-10-31 | Status: Held
Tanzanian National Assembly
Votes -
Registered 19,670,631
Turnout -

2005-12-14 | Status: Held
Tanzanian Presidency
Votes 11,875,927
Registered 16,401,694
Turnout 72.41

2005-12-14 | Status: Held
Tanzanian National Assembly
Votes -
Registered -
Turnout -

2000-10-29 | Status: Held
Tanzanian National Assembly
Votes -
Registered -
Turnout -

2000-10-29 | Status: Held
Tanzanian Presidency
Votes 8,517,598
Registered 10,088,484
Turnout 84.43

Election For	Date	Status	Votes	Registered Voters	Turnout
Tanzanian National Assembly	2025-10-29	Confirmed	-	37,655,559	-
Tanzanian Presidency	2025-10-29	Confirmed	-	37,655,559	-
Tanzanian National Assembly	2020-10-28	Confirmed	-	-	-
Tanzanian Presidency	2020-10-28	Held	15,091,950	29,754,699	50.72
Tanzanian Presidency	2015-10-25	Held	15,193,862	23,254,485	65.34
Tanzanian National Assembly	2015-10-25	Held	15,193,682	23,254,485	65.34
Tanzanian Presidency	2010-10-31	Held	8,398,415	19,670,631	42.7
Tanzanian National Assembly	2010-10-31	Held	-	19,670,631	-
Tanzanian Presidency	2005-12-14	Held	11,875,927	16,401,694	72.41
Tanzanian National Assembly	2005-12-14	Held	-	-	-
Tanzanian National Assembly	2000-10-29	Held	-	-	-
Tanzanian Presidency	2000-10-29	Held	8,517,598	10,088,484	84.43

Voter Turnout

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