Sierra Leone vs USSR: Terrorist attacks by severity

Sierra Leone

0 attacks

in 2021

USSR

0 attacks

in 1991

Sierra Leone rank

1st

USSR rank

1st

Terrorist attacks by severity over time

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

Across all 22 years both countries report, USSR has been ahead every year.

Sierra Leone ranks 1st and USSR ranks 1st of 187 countries.

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.