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

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

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

0 attacks, with Sierra Leone ahead.

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

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.

Sierra Leone vs Singapore: Terrorist attacks by method

Sierra Leone

0 attacks

in 2021

Singapore

0 attacks

in 2021

Sierra Leone rank

25th

Singapore rank

25th

Terrorist attacks by method over time

Sierra Leone
Singapore

How they compare

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

The two have swapped places 6 times across 51 shared years of data; in 1970 it was Singapore ahead.

Sierra Leone ranks 25th and Singapore ranks 25th of 188 countries.

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

Head to head by decade

Decade	Sierra Leone	Singapore	Difference	Ahead
1970s	0 attacks	0 attacks	0 attacks	—
1980s	0 attacks	0 attacks	0 attacks	—
1990s	0.4444 attacks	0.1111 attacks	0.3333 attacks	Sierra Leone
2000s	0.5 attacks	0 attacks	0.5 attacks	Sierra Leone
2010s	0.1 attacks	0 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, Sierra Leone or Singapore?: Sierra Leone, at 0 attacks against 0 attacks in Singapore as of 2021.
What is the difference in terrorist attacks by method between Sierra Leone and Singapore?: 0 attacks, with Sierra Leone ahead.
How many years of comparable data are there for Sierra Leone and Singapore?: 51 years are reported by both, from 1970 to 2021.
How do Sierra Leone and Singapore rank globally for terrorist attacks by method?: Sierra Leone ranks 25th and Singapore ranks 25th 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 Terrorist attacks by method. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sierra Leone vs Singapore: Terrorist attacks by method. 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 23 September 2026, from https://reference.statizoid.com/compare/terrorist-attacks-by-method/sierra-leone/singapore/

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<a href="https://reference.statizoid.com/compare/terrorist-attacks-by-method/sierra-leone/singapore/">Sierra Leone vs Singapore: Terrorist attacks by method</a> — Statizoid

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: 18 September 2026

Number of terrorist attacks of unknown type.