Iran vs Sierra Leone: Terrorist attacks by method stacked

Iran
0
in 2021
Sierra Leone
0
in 2021
Iran rank
25th
Sierra Leone rank
25th

Terrorist attacks by method stacked over time

  • Iran
  • Sierra Leone
02.557.510197019952021

How they compare

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

The two have swapped places 22 times across 51 shared years of data; in 1970 it was Sierra Leone ahead.

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

Across the 6 decades both report, Iran averaged higher in 4 and Sierra Leone in 2.

Head to head by decade

Decade Iran Sierra Leone Difference Ahead
1970s 1.3 0 1.3 Iran
1980s 0.7 0 0.7 Iran
1990s 0.3333 0.4444 0.1111 Sierra Leone
2000s 0.4 0.5 0.1 Sierra Leone
2010s 0.7 0.1 0.6 Iran
2020s 0.5 0 0.5 Iran

Averages of every year both report within each decade.

Frequently asked questions

Which has higher terrorist attacks by method stacked, Iran or Sierra Leone?
Iran, at 0 against 0 in Sierra Leone as of 2021.
What is the difference in terrorist attacks by method stacked between Iran and Sierra Leone?
0, with Iran ahead.
How many years of comparable data are there for Iran and Sierra Leone?
51 years are reported by both, from 1970 to 2021.
How do Iran and Sierra Leone rank globally for terrorist attacks by method stacked?
Iran ranks 25th and Sierra Leone ranks 25th of 188 countries.
Where does this data come from?
Our World in Data, published as Terrorist attacks by method stacked. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran vs Sierra Leone: Terrorist attacks by method stacked. Statizoid, drawing on Our World in Data. Retrieved 14 November 2026, from https://reference.statizoid.com/compare/terrorist-attacks-by-method-stacked/iran-islamic-rep/sierra-leone/

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About this data

Indicator
Terrorist attacks by method stacked
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
188 places, 9,021 data points, 1970–2021
Last refreshed