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Stability of Democratic Institutions Index in Tanzania

Tanzania: Stability of Democratic Institutions Index was 3 in 2025. ▼ Falling

Latest (2025)
3
Change on year
unchanged
World rank
57th
of 128 countries
All-time high
7
in 2007
All-time low
3
in 2021
Years of data
11
2005–2025

Stability of Democratic Institutions Index in Tanzania, 2005–2025

024682005201520252005: 62007: 72009: 62011: 62013: 62015: 62017: 62019: 62021: 32023: 32025: 3

Source: Bertelsmann Transformation Index (2026) – processed by Our World in Data.

Analysis

Tanzania recorded 3 for stability of democratic institutions index in 2025. That is the lowest value across all 11 years on record.

The figure is down 50.0% over ten years.

Over the whole period, stability of democratic institutions index in Tanzania peaked at 7 in 2007 and was at its lowest, 3, in 2021.

Tanzania ranks 57th of 128 countries on this measure, in the middle of the range.

The long-run direction has been consistently falling across the 11 years of available data.

Stability of Democratic Institutions Index in Tanzania, year by year

Year Value Change
2005 6 —
2007 7 +16.7%
2009 6 -14.3%
2011 6 +0.0%
2013 6 +0.0%
2015 6 +0.0%
2017 6 +0.0%
2019 6 +0.0%
2021 3 -50.0%
2023 3 +0.0%
2025 3 +0.0%

Tanzania compared with similar countries

  • Tanzania's 3 is above the median for lower middle income countries, which is 3, 1.0× the median. (38 countries reporting)
  • Tanzania's 3 is above the median for Sub-Saharan Africa, which is 3, 1.0× the median. (39 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
2000s 6.33 6 7 3
2010s 6 6 6 5
2020s 3 3 3 3

Countries ranked near Tanzania

  1. 54 Peru 4.5 compare
  2. 54 Philippines 4.5 compare
  3. 56 Honduras 4 compare
  4. 57 Angola 3 compare
  5. 57 Bangladesh 3 compare
  6. 57 Benin 3 compare
  7. 57 Cote d'Ivoire 3 compare
  8. 57 El Salvador 3 compare
  9. 57 Georgia 3 compare
  10. 57 Guatemala 3 compare
  11. 57 Iraq 3 compare
  12. 57 Kyrgyzstan 3 compare
  13. 57 Madagascar 3 compare
  14. 57 Mauritania 3 compare
  15. 57 Nigeria 3 compare
  16. 57 Papua New Guinea 3 compare
  17. 57 Serbia 3 compare
  18. 57 Thailand 3 compare
  19. 57 Togo 3 compare
  20. 57 Turkey 3 compare
  21. 57 Uganda 3 compare

See the full ranking of 128 places →

More reference data data for Tanzania

All data for Tanzania →

Frequently asked questions

What is stability of democratic institutions index in Tanzania?
Stability of democratic institutions index in Tanzania was 3 in 2025, according to Bertelsmann Transformation Index (2026) – processed by Our World in Data.
What is the highest stability of democratic institutions index recorded in Tanzania?
The highest recorded value was 7 in 2007.
What is the lowest stability of democratic institutions index recorded in Tanzania?
The lowest recorded value was 3 in 2021.
How does Tanzania rank for stability of democratic institutions index?
Tanzania ranks 57th out of 128 countries with data for 2025.
Is stability of democratic institutions index rising or falling in Tanzania?
Over the last ten years it is down 50.0%. The long-run trend across the full record is falling.
Where does this Tanzania data come from?
The figures come from Bertelsmann Transformation Index (2026) – processed by Our World in Data, published as part of Stability of Democratic Institutions Index. Statizoid updates them automatically from the source API.

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Stability of Democratic Institutions Index in Tanzania. Statizoid, drawing on Bertelsmann Transformation Index (2026) – processed by Our World in Data. Retrieved 24 September 2026, from https://reference.statizoid.com/stat/stability-democratic-institutions-index-bti/tanzania/

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About this data

Indicator
Stability of Democratic Institutions Index
Source
Bertelsmann Transformation Index (2026) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
128 places, 1,394 data points, 2005–2025
Last refreshed

Indicates the extent to which democratic institutions are effective and efficient and all relevant actors accept them.