Which has higher number of terrorist attacks, Costa Rica or Tanzania?

Costa Rica, at 0 attacks against 0 attacks in Tanzania as of 2021.

What is the difference in number of terrorist attacks between Costa Rica and Tanzania?

0 attacks, with Costa Rica ahead.

How many years of comparable data are there for Costa Rica and Tanzania?

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 Number of terrorist attacks. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Costa Rica vs Tanzania: Number of terrorist attacks

Costa Rica

0 attacks

in 2021

Tanzania

0 attacks

in 2021

Costa Rica rank

80th

Tanzania rank

80th

Number of terrorist attacks over time

Costa Rica
Tanzania

How they compare

Costa Rica currently reports 0 attacks against 0 attacks in Tanzania, a difference of 0 attacks.

The two have swapped places 8 times across 51 shared years of data; in 1970 it was Tanzania ahead.

Costa Rica ranks 80th and Tanzania ranks 80th of 188 countries.

Across the 6 decades both report, Costa Rica averaged higher in 3 and Tanzania in 3.

Head to head by decade

Decade	Costa Rica	Tanzania	Difference	Ahead
1970s	2.2 attacks	0.2 attacks	2 attacks	Costa Rica
1980s	3.6 attacks	0.1 attacks	3.5 attacks	Costa Rica
1990s	0.8889 attacks	0.4444 attacks	0.4444 attacks	Costa Rica
2000s	0.1 attacks	1 attacks	0.9 attacks	Tanzania
2010s	0.2 attacks	4.6 attacks	4.4 attacks	Tanzania
2020s	0 attacks	4 attacks	4 attacks	Tanzania

Averages of every year both report within each decade.

Frequently asked questions

Which has higher number of terrorist attacks, Costa Rica or Tanzania?: Costa Rica, at 0 attacks against 0 attacks in Tanzania as of 2021.
What is the difference in number of terrorist attacks between Costa Rica and Tanzania?: 0 attacks, with Costa Rica ahead.
How many years of comparable data are there for Costa Rica and Tanzania?: 51 years are reported by both, from 1970 to 2021.
How do Costa Rica and Tanzania rank globally for number of terrorist attacks?: Costa Rica ranks 80th and Tanzania ranks 80th 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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Costa Rica vs Tanzania: 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/costa-rica/tanzania/

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<a href="https://reference.statizoid.com/compare/terrorist-attacks/costa-rica/tanzania/">Costa Rica vs Tanzania: Number of terrorist attacks</a> — Statizoid

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: 18 September 2026

Total number of terrorist attacks.