UUNITED KINGDOM
FACTBOOK
United Kingdom FactbookDraft

November 2026 Edition

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United Kingdom Factbook · National chapter / GBR

Terrorism

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2021 Factbook flag mirror; image identity has not been individually audited. Source.

Last updated: November 5, 2026

Sections in Terrorism
  1. Terrorist group(s)

Terrorism

Terrorist group(s):171

Continuity Irish Republican Army (CIRA); Islamic State of Iraq and ash-Sham (ISIS); al-Qa'ida; Real Irish Republican Army (RIRA)
note:details about the history, aims, leadership, organization, areas of operation, tactics, targets, weapons, size, and sources of support of the group(s) appear(s) in the Terrorism reference guide
Source context

Reference period: As stated in each note.

Original reference ↗

Source note [171]

Historical observations

Notes & sources

  1. Terrorist group(s). Reference edition; observation: dates as stated in text. Field last updated: not supplied; profile fallback: 2025-12-04 13:07:35 -0500 (not a field revision date); needs review. Reference source. Edition retrieval date: not supplied (retrieval only). ↩
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Countries & territories

Same-year values. Equal values share a rank.

Sources & method

Ranks cover available countries and territories, using the same indicator, source unit and reference year. Unrounded source values determine ties. Coverage is not a sovereign-country or complete global ranking; national definitions may differ. Missing values and other years are excluded. The information icon preserves the original number, unit and evidence.

RankCountry or territoryValue
Source information
International organization

Source observations