Brazil vs Iran: Number of terrorist attacks

Brazil
4 attacks
in 2021
Iran
4 attacks
in 2021
Brazil rank
50th
Iran rank
50th

Number of terrorist attacks over time

  • Brazil
  • Iran
0255075100197019952021

How they compare

Brazil currently reports 4 attacks against 4 attacks in Iran, a difference of 0 attacks.

The two have swapped places 9 times across 51 shared years of data; in 1970 it was Brazil ahead.

Brazil ranks 50th and Iran ranks 50th of 188 countries.

Across the 6 decades both report, Brazil averaged higher in 1 and Iran in 5.

Head to head by decade

Decade Brazil Iran Difference Ahead
1970s 3.1 attacks 17.7 attacks 14.6 attacks Iran
1980s 5.9 attacks 25 attacks 19.1 attacks Iran
1990s 17.44 attacks 11.44 attacks 6 attacks Brazil
2000s 1 attacks 7.2 attacks 6.2 attacks Iran
2010s 3.2 attacks 10.3 attacks 7.1 attacks Iran
2020s 5 attacks 5.5 attacks 0.5 attacks Iran

Averages of every year both report within each decade.

Frequently asked questions

Which has higher number of terrorist attacks, Brazil or Iran?
Brazil, at 4 attacks against 4 attacks in Iran as of 2021.
What is the difference in number of terrorist attacks between Brazil and Iran?
0 attacks, with Brazil ahead.
How many years of comparable data are there for Brazil and Iran?
51 years are reported by both, from 1970 to 2021.
How do Brazil and Iran rank globally for number of terrorist attacks?
Brazil ranks 50th and Iran ranks 50th 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 Number of terrorist attacks. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Brazil vs Iran: Number of terrorist attacks. 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/brazil/iran-islamic-rep/

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About this data

Indicator
Number of terrorist attacks
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

Total number of terrorist attacks.