How many years of comparable data are there for Senegal and Tanzania?

112 years are reported by both, from 1914 to 2025.

Where does this data come from?

V-Dem (2026) – processed by Our World in Data, published as Strong Elected Regional Governments Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Senegal vs Tanzania: Strong Elected Regional Governments Index

Senegal

0.171

in 2025

Tanzania

0.155

in 2025

Senegal rank

90th

Tanzania rank

93rd

Strong Elected Regional Governments Index over time

Senegal
Tanzania

How they compare

Senegal currently reports 0.171 against 0.155 in Tanzania, a difference of 0.016.

That makes Senegal's figure about 1.1 times Tanzania's.

The two have swapped places 3 times across 112 shared years of data; in 1914 it was Tanzania ahead.

Senegal ranks 90th and Tanzania ranks 93rd of 175 countries.

Across the 12 decades both report, Senegal averaged higher in 6 and Tanzania in 6.

Head to head by decade

Decade	Senegal	Tanzania	Difference	Ahead
1910s	0	0.024	0.024	Tanzania
1920s	0	0.024	0.024	Tanzania
1930s	0	0.024	0.024	Tanzania
1940s	0	0.024	0.024	Tanzania
1950s	0	0.024	0.024	Tanzania
1960s	0.15	0.024	0.126	Senegal
1970s	0.15	0.024	0.126	Senegal
1980s	0.15	0.024	0.126	Senegal
1990s	0.15	0.08	0.07	Senegal
2000s	0.15	0.136	0.014	Senegal
2010s	0.1222	0.1234	0.0012	Tanzania
2020s	0.171	0.1277	0.0433	Senegal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher strong elected regional governments index, Senegal or Tanzania?: Senegal, at 0.171 against 0.155 in Tanzania as of 2025.
What is the difference in strong elected regional governments index between Senegal and Tanzania?: 0.016, with Senegal ahead.
How many years of comparable data are there for Senegal and Tanzania?: 112 years are reported by both, from 1914 to 2025.
How do Senegal and Tanzania rank globally for strong elected regional governments index?: Senegal ranks 90th and Tanzania ranks 93rd of 175 countries.
Where does this data come from?: V-Dem (2026) – processed by Our World in Data, published as Strong Elected Regional Governments Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator: Strong Elected Regional Governments Index
Source: V-Dem (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 175 places, 29,575 data points, 1789–2025
Last refreshed: 07 August 2026

Central estimate of the extent to which elected regional governments exist, and they operate without interference from regional unelected bodies.