Which has higher terrorist attacks by method, North Korea or Sierra Leone?

North Korea, at 0 attacks against 0 attacks in Sierra Leone as of 2021.

What is the difference in terrorist attacks by method between North Korea and Sierra Leone?

0 attacks, with North Korea ahead.

How many years of comparable data are there for North Korea 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 Terrorist attacks by method. Statizoid refreshes it automatically from the source and publishes the full history for both places.

North Korea vs Sierra Leone: Terrorist attacks by method

North Korea

0 attacks

in 2021

Sierra Leone

0 attacks

in 2021

North Korea rank

25th

Sierra Leone rank

25th

Terrorist attacks by method over time

North Korea
Sierra Leone

How they compare

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

Across all 51 years both countries report, Sierra Leone has been ahead every year.

North Korea ranks 25th and Sierra Leone ranks 25th of 187 countries.

Sierra Leone has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade	North Korea	Sierra Leone	Difference	Ahead
1970s	0 attacks	0 attacks	0 attacks	—
1980s	0 attacks	0 attacks	0 attacks	—
1990s	0 attacks	0.4444 attacks	0.4444 attacks	Sierra Leone
2000s	0 attacks	0.5 attacks	0.5 attacks	Sierra Leone
2010s	0 attacks	0.1 attacks	0.1 attacks	Sierra Leone
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 method, North Korea or Sierra Leone?: North Korea, at 0 attacks against 0 attacks in Sierra Leone as of 2021.
What is the difference in terrorist attacks by method between North Korea and Sierra Leone?: 0 attacks, with North Korea ahead.
How many years of comparable data are there for North Korea and Sierra Leone?: 51 years are reported by both, from 1970 to 2021.
How do North Korea and Sierra Leone rank globally for terrorist attacks by method?: North Korea ranks 25th and Sierra Leone ranks 25th 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 method. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator: Terrorist attacks by method
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 of unknown type.