Which has higher terrorist attacks by severity, Sierra Leone or South Sudan?

Sierra Leone, at 0 attacks against 0 attacks in South Sudan as of 2021.

What is the difference in terrorist attacks by severity between Sierra Leone and South Sudan?

0 attacks, with Sierra Leone ahead.

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

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 Terrorist attacks by severity. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Sierra Leone vs South Sudan: Terrorist attacks by severity

Sierra Leone

0 attacks

in 2021

South Sudan

0 attacks

in 2021

Sierra Leone rank

1st

South Sudan rank

1st

Terrorist attacks by severity over time

Sierra Leone
South Sudan

How they compare

Sierra Leone currently reports 0 attacks against 0 attacks in South Sudan, a difference of 0 attacks.

Across all 51 years both countries report, South Sudan has been ahead every year.

Sierra Leone ranks 1st and South Sudan ranks 1st of 187 countries.

South Sudan has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade	Sierra Leone	South Sudan	Difference	Ahead
1970s	0 attacks	0 attacks	0 attacks	—
1980s	0 attacks	0 attacks	0 attacks	—
1990s	0 attacks	0 attacks	0 attacks	—
2000s	0 attacks	0 attacks	0 attacks	—
2010s	0 attacks	0.3 attacks	0.3 attacks	South Sudan
2020s	0 attacks	0 attacks	0 attacks	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher terrorist attacks by severity, Sierra Leone or South Sudan?: Sierra Leone, at 0 attacks against 0 attacks in South Sudan as of 2021.
What is the difference in terrorist attacks by severity between Sierra Leone and South Sudan?: 0 attacks, with Sierra Leone ahead.
How many years of comparable data are there for Sierra Leone and South Sudan?: 51 years are reported by both, from 1970 to 2021.
How do Sierra Leone and South Sudan rank globally for terrorist attacks by severity?: Sierra Leone ranks 1st and South Sudan ranks 1st of 187 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 Terrorist attacks by severity. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator: Terrorist attacks by severity
Unit: attacks
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: 07 August 2026

Number of terrorist attacks with more than 100 deaths.