Index/Organizations/Global Terrorism Database

Global Terrorism Database

Post-1970 terrorist incident database by the University of Maryland, College Park

Fact-Checks

14 results
Nov 18, 2025
Most Viewed

most deadly non islamic terrorist attacks

The deadliest single-day terrorist attack since 1970 remains the September 11, 2001 strikes that killed about 2,990 people, and the largest recent mass-casualty Islamist events include October 7, 2023...

Jan 15, 2026
Most Viewed

Have political violence incidents in the US increased by party affiliation since 2020?

Political violence in the United States has risen since 2016 and spiked around and after the 2020 election period, and available reporting and datasets show that while incidents linked to both sides h...

Oct 31, 2025
Most Viewed

What were the major military conflicts during Trump's presidency?

President Trump’s term (2017–2021) saw a mix of direct U.S. combat operations, regional escalations, and diplomatic-military actions rather than a single large new ground war; . Contemporary reporting...

Nov 13, 2025

What are the deadliest non-Islamic terror attacks worldwide since 2001?

The available analyses converge on a clear but narrow finding: ; comprehensive, ranked lists require filtering a large database like the Global Terrorism Database (GTD) to exclude Islamist motivations...

Dec 31, 2025

Which non-Islamist extremist groups carried out the most lethal attacks since 2000?

Since 2000, the deadliest non‑Islamist extremist violence has come from three broad categories: far‑right/white‑supremacist movements (notably in the United States and Europe), ethno‑nationalist and s...

Dec 16, 2025

What were the deadliest non-Islamist terrorist attacks worldwide in the 20th century?

The deadliest non-Islamist terrorist attack of the 20th century commonly cited in modern datasets is the 1988 Lockerbie bombing (Pan Am Flight 103) and other large-scale incidents listed in major comp...

Dec 17, 2025

How many right-wing extremist attacks occurred in the US in 2020?

There is no single, authoritative tally in the provided reporting that gives a definitive count of “right‑wing extremist attacks” in the United States for the entire calendar year 2020; multiple reput...

Jan 22, 2026

How has the frequency of non-Islamic terror attacks changed since 2001?

Since 2001 the global landscape of terrorism has shifted: datasets and scholars show that, once civil-conflict trends are controlled for, has been less “terror‑prone” than the years before 2001 , even...

Jan 19, 2026

How many terrorist attacks occurred in the US in 2024?

There is no single, authoritative count of “terrorist attacks in the U.S. in 2024” available in the supplied reporting; open-source datasets and expert analyses offer partial tallies by subset and per...

Jan 18, 2026

Which US cities have experienced the most terrorist acts since 2001?

Since 2001, public data sets and academic analyses consistently show that New York City, Washington, D.C., and Los Angeles are the U.S. cities with the largest tallies of recorded terrorist incidents,...

Dec 30, 2025

How do FBI hate crime statistics compare between far-left and far-right ideologies?

The FBI’s public hate-crime statistics record bias-motivated offenses by protected characteristics (race, religion, sexual orientation, gender identity, disability, ethnicity) rather than by “far‑left...

Dec 21, 2025

What motivation drives the most terrorist attacks

Political motivations — a broad category that includes partisan, anti-government, ethnonationalist and other politically framed grievances — now account for the largest share of terrorist incidents in...

Dec 17, 2025

How have coding schemes for ideological motive in mass violence evolved in academic datasets since 2000?

Since 2000 academic datasets have moved from coarse, often binary labels of “terrorism” or “political violence” to multi-dimensional, transparent codebooks that separate perpetrator, target, tactics, ...

Oct 3, 2025

What are the sources of the 76% statistic on right-wing violence?

The 76% figure attributing U.S. domestic-terrorism deaths to right-wing extremists is not from a single primary source but is an approximate consensus estimate produced by triangulating federal data a...