Which has higher electoral democracy index, Mexico or Sierra Leone?

Sierra Leone, at 0.471 against 0.469 in Mexico as of 2025.

What is the difference in electoral democracy index between Mexico and Sierra Leone?

0.002, with Sierra Leone ahead.

How many years of comparable data are there for Mexico and Sierra Leone?

126 years are reported by both, from 1900 to 2025.

Where does this data come from?

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

Mexico vs Sierra Leone: Electoral Democracy Index

Mexico

0.469

in 2025

Sierra Leone

0.471

in 2025

Mexico rank

92nd

Sierra Leone rank

91st

Electoral Democracy Index over time

Mexico
Sierra Leone

How they compare

Sierra Leone currently reports 0.471 against 0.469 in Mexico, a difference of 0.002.

The two have swapped places 3 times across 126 shared years of data; in 1900 it was Mexico ahead.

Mexico ranks 92nd and Sierra Leone ranks 91st of 176 countries.

Across the 13 decades both report, Mexico averaged higher in 12 and Sierra Leone in 1.

Head to head by decade

Decade	Mexico	Sierra Leone	Difference	Ahead
1900s	0.1096	0.074	0.0356	Mexico
1910s	0.1524	0.074	0.0784	Mexico
1920s	0.1869	0.0755	0.1114	Mexico
1930s	0.1861	0.077	0.1091	Mexico
1940s	0.1927	0.0774	0.1153	Mexico
1950s	0.2158	0.1627	0.0531	Mexico
1960s	0.2325	0.288	0.0555	Sierra Leone
1970s	0.2618	0.2101	0.0517	Mexico
1980s	0.3232	0.1878	0.1354	Mexico
1990s	0.4921	0.2038	0.2883	Mexico
2000s	0.6781	0.4695	0.2086	Mexico
2010s	0.6501	0.5214	0.1287	Mexico
2020s	0.5642	0.5245	0.0397	Mexico

Averages of every year both report within each decade.

Frequently asked questions

Which has higher electoral democracy index, Mexico or Sierra Leone?: Sierra Leone, at 0.471 against 0.469 in Mexico as of 2025.
What is the difference in electoral democracy index between Mexico and Sierra Leone?: 0.002, with Sierra Leone ahead.
How many years of comparable data are there for Mexico and Sierra Leone?: 126 years are reported by both, from 1900 to 2025.
How do Mexico and Sierra Leone rank globally for electoral democracy index?: Mexico ranks 92nd and Sierra Leone ranks 91st of 176 countries.
Where does this data come from?: V-Dem (2026) – processed by Our World in Data, published as Electoral Democracy Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

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: 07 August 2026

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.