What is the difference in years a country was a european overseas colony between Madagascar and Sierra Leone?

0 years, with Madagascar ahead.

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

561 years are reported by both, from 1462 to 2022.

Where does this data come from?

Bastian Becker (2023) – with major processing by Our World in Data, published as Years a country was a European overseas colony. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Madagascar vs Sierra Leone: Years a country was a European overseas colony

Madagascar

66 years

in 2022

Sierra Leone

66 years

in 2022

Madagascar rank

92nd

Sierra Leone rank

92nd

Years a country was a European overseas colony over time

Madagascar
Sierra Leone

How they compare

Madagascar currently reports 66 years against 66 years in Sierra Leone, a difference of 0 years.

The two have swapped places 2 times across 561 shared years of data; in 1462 it was Sierra Leone ahead.

Madagascar ranks 92nd and Sierra Leone ranks 92nd of 159 countries.

Madagascar has averaged higher in every one of the 57 decades both report.

Head to head by decade

Decade	Madagascar	Sierra Leone	Difference	Ahead
1460s	0 years	0 years	0 years	—
1470s	0 years	0 years	0 years	—
1480s	0 years	0 years	0 years	—
1490s	0 years	0 years	0 years	—
1500s	0 years	0 years	0 years	—
1510s	0 years	0 years	0 years	—
1520s	0 years	0 years	0 years	—
1530s	0 years	0 years	0 years	—
1540s	0 years	0 years	0 years	—
1550s	0 years	0 years	0 years	—
1560s	0 years	0 years	0 years	—
1570s	0 years	0 years	0 years	—
1580s	0 years	0 years	0 years	—
1590s	0 years	0 years	0 years	—
1600s	0 years	0 years	0 years	—
1610s	0 years	0 years	0 years	—
1620s	0 years	0 years	0 years	—
1630s	0 years	0 years	0 years	—
1640s	0 years	0 years	0 years	—
1650s	0 years	0 years	0 years	—
1660s	0 years	0 years	0 years	—
1670s	0 years	0 years	0 years	—
1680s	0 years	0 years	0 years	—
1690s	0 years	0 years	0 years	—
1700s	0 years	0 years	0 years	—
1710s	0 years	0 years	0 years	—
1720s	0 years	0 years	0 years	—
1730s	0 years	0 years	0 years	—
1740s	0 years	0 years	0 years	—
1750s	0 years	0 years	0 years	—
1760s	0 years	0 years	0 years	—
1770s	0 years	0 years	0 years	—
1780s	0 years	0 years	0 years	—
1790s	0 years	0 years	0 years	—
1800s	0 years	0 years	0 years	—
1810s	0 years	0 years	0 years	—
1820s	0 years	0 years	0 years	—
1830s	0 years	0 years	0 years	—
1840s	0 years	0 years	0 years	—
1850s	0 years	0 years	0 years	—
1860s	0 years	0 years	0 years	—
1870s	0 years	0 years	0 years	—
1880s	0 years	0 years	0 years	—
1890s	1.5 years	1 years	0.5 years	Madagascar
1900s	10.5 years	9.5 years	1 years	Madagascar
1910s	20.5 years	19.5 years	1 years	Madagascar
1920s	30.5 years	29.5 years	1 years	Madagascar
1930s	40.5 years	39.5 years	1 years	Madagascar
1940s	50.5 years	49.5 years	1 years	Madagascar
1950s	60.5 years	59.5 years	1 years	Madagascar
1960s	66 years	65.9 years	0.1 years	Madagascar
1970s	66 years	66 years	0 years	—
1980s	66 years	66 years	0 years	—
1990s	66 years	66 years	0 years	—
2000s	66 years	66 years	0 years	—
2010s	66 years	66 years	0 years	—
2020s	66 years	66 years	0 years	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher years a country was a european overseas colony, Madagascar or Sierra Leone?: Madagascar, at 66 years against 66 years in Sierra Leone as of 2022.
What is the difference in years a country was a european overseas colony between Madagascar and Sierra Leone?: 0 years, with Madagascar ahead.
How many years of comparable data are there for Madagascar and Sierra Leone?: 561 years are reported by both, from 1462 to 2022.
How do Madagascar and Sierra Leone rank globally for years a country was a european overseas colony?: Madagascar ranks 92nd and Sierra Leone ranks 92nd of 159 countries.
Where does this data come from?: Bastian Becker (2023) – with major processing by Our World in Data, published as Years a country was a European overseas colony. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Madagascar vs Sierra Leone: Years a country was a European overseas colony. Statizoid, drawing on Bastian Becker (2023) – with major processing by Our World in Data. Retrieved 23 September 2026, from https://reference.statizoid.com/compare/years-colonized/madagascar/sierra-leone/

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About this data

Indicator: Years a country was a European overseas colony
Unit: years
Source: Bastian Becker (2023) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 159 places, 88,747 data points, 1462–2022
Last refreshed: 18 September 2026

Number of years the country has been colonized from overseas by the European colonial power(s) in a specific year, between Belgium, United Kingdom, France, Germany, Netherlands, Portugal, Spain, and Italy, or a combination of them.