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

51 years are reported by both, from 1970 to 2021.

Where does this data come from?

National Consortium for the Study of Terrorism and Responses to Terrorism (START) (2022) – with major processing by Our World in Data, published as Deaths from terrorist attacks, by method of attack. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Liberia vs Sierra Leone: Deaths from terrorist attacks, by method of attack

Liberia

0 deaths

in 2021

Sierra Leone

0 deaths

in 2021

Liberia rank

21st

Sierra Leone rank

21st

Deaths from terrorist attacks, by method of attack over time

Liberia
Sierra Leone

How they compare

Liberia currently reports 0 deaths against 0 deaths in Sierra Leone, a difference of 0 deaths.

The two have swapped places 4 times across 51 shared years of data; in 1970 it was Sierra Leone ahead.

Liberia ranks 21st and Sierra Leone ranks 21st of 188 countries.

Across the 6 decades both report, Liberia averaged higher in 1 and Sierra Leone in 1.

Head to head by decade

Decade	Liberia	Sierra Leone	Difference	Ahead
1970s	0 deaths	0 deaths	0 deaths	—
1980s	0 deaths	0 deaths	0 deaths	—
1990s	0.2222 deaths	1.89 deaths	1.67 deaths	Sierra Leone
2000s	0.3 deaths	0.2 deaths	0.1 deaths	Liberia
2010s	0 deaths	0 deaths	0 deaths	—
2020s	0 deaths	0 deaths	0 deaths	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher deaths from terrorist attacks, by method of attack, Liberia or Sierra Leone?: Liberia, at 0 deaths against 0 deaths in Sierra Leone as of 2021.
What is the difference in deaths from terrorist attacks, by method of attack between Liberia and Sierra Leone?: 0 deaths, with Liberia ahead.
How many years of comparable data are there for Liberia and Sierra Leone?: 51 years are reported by both, from 1970 to 2021.
How do Liberia and Sierra Leone rank globally for deaths from terrorist attacks, by method of attack?: Liberia ranks 21st and Sierra Leone ranks 21st of 188 countries.
Where does this data come from?: National Consortium for the Study of Terrorism and Responses to Terrorism (START) (2022) – with major processing by Our World in Data, published as Deaths from terrorist attacks, by method of attack. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Liberia vs Sierra Leone: Deaths from terrorist attacks, by method of attack. Statizoid, drawing on National Consortium for the Study of Terrorism and Responses to Terrorism (START) (2022) – with major processing by Our World in Data. Retrieved 30 August 2026, from https://health.statizoid.com/compare/deaths-from-terrorist-attacks-by-method-of-attack-stacked-bar/liberia/sierra-leone/

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Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://health.statizoid.com/compare/deaths-from-terrorist-attacks-by-method-of-attack-stacked-bar/liberia/sierra-leone/">Liberia vs Sierra Leone: Deaths from terrorist attacks, by method of attack</a> — Statizoid

About this data

Indicator: Deaths from terrorist attacks, by method of attack
Unit: deaths
Source: National Consortium for the Study of Terrorism and Responses to Terrorism (START) (2022) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 188 places, 9,021 data points, 1970–2021
Last refreshed: 28 August 2026

Deaths from terrorist attacks of unknown type.