Electoral Democracy Index in Tanzania

Tanzania: Electoral Democracy Index was 0.365 in 2025. ◆ Volatile

Latest (2025)
0.365
Change on year
down 11.6%
World rank
106th
of 176 countries
All-time high
0.491
in 1996
All-time low
0.039
in 1917
Years of data
111
1915–2025

Electoral Democracy Index in Tanzania, 1915–2025

00.10.20.30.40.5191519702025

Source: V-Dem (2026) – processed by Our World in Data.

Analysis

In 2025, electoral democracy index in Tanzania stood at 0.365.

That represents a change of down 11.6% on the previous year and down 19.4% over ten years.

Over the whole period, electoral democracy index in Tanzania peaked at 0.491 in 1996 and was at its lowest, 0.039, in 1917.

Tanzania ranks 106th of 176 countries on this measure, in the middle of the range.

The series is highly variable year to year, so single readings are best treated with caution.

Averages by decade

DecadeAverage LowestHighest Years
1910s 0.042 0.039 0.044 5
1920s 0.045 0.045 0.045 10
1930s 0.048 0.047 0.052 10
1940s 0.052 0.052 0.052 10
1950s 0.0764 0.052 0.155 10
1960s 0.2517 0.165 0.324 10
1970s 0.2422 0.241 0.243 10
1980s 0.255 0.242 0.267 10
1990s 0.4227 0.287 0.491 10
2000s 0.4522 0.429 0.477 10
2010s 0.4387 0.383 0.477 10
2020s 0.3888 0.365 0.413 6

Countries ranked near Tanzania

  1. 103 Ukraine 0.386 compare
  2. 104 India 0.377 compare
  3. 105 Iraq 0.369 compare
  4. 107 Madagascar 0.361 compare
  5. 108 Togo 0.351 compare
  6. 109 Angola 0.344 compare

See the full ranking of 176 places →

More social development data for Tanzania

All data for Tanzania →

Frequently asked questions

What is electoral democracy index in Tanzania?
Electoral democracy index in Tanzania was 0.365 in 2025, according to V-Dem (2026) – processed by Our World in Data.
What is the highest electoral democracy index recorded in Tanzania?
The highest recorded value was 0.491 in 1996.
What is the lowest electoral democracy index recorded in Tanzania?
The lowest recorded value was 0.039 in 1917.
How does Tanzania rank for electoral democracy index?
Tanzania ranks 106th out of 176 countries with data for 2025.
Is electoral democracy index rising or falling in Tanzania?
Over the last ten years it is down 19.4%. The long-run trend across the full record is volatile.
Where does this Tanzania data come from?
The figures come from V-Dem (2026) – processed by Our World in Data, published as part of Electoral Democracy Index. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 111 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Electoral Democracy Index
Source
V-Dem (2026) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
176 places, 29,649 data points, 1789–2025
Last refreshed

Central estimate of the extent to which political leaders are elected under comprehensive suffrage in free and fair elections, and freedoms of association and expression are guaranteed.