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Offense

Sedition

Offenses Against Public Safety and State Security

Sedition is the offense of inciting resistance to, or rebellion against, lawful government authority, generally through speech, writing, or organized conduct advocating the violent overthrow of the government or open defiance of its lawful authority, without requiring the levying of war or the aid to a foreign enemy that the more severe offense of treason does. Because sedition is defined largely around speech and advocacy rather than an overt violent act, it has historically been, and remains, one of the most contested categories in comparative criminal and constitutional law, with many jurisdictions substantially narrowing, repealing, or requiring proof of a genuine and imminent incitement to violence for their sedition statutes specifically to guard against the offense being used to suppress legitimate political dissent, protest, or criticism of the government. Seditious libel, the historical common-law offense of publishing criticism of the government or its officials, has been almost universally abolished or held unconstitutional in modern democratic legal systems, reflecting a broad consensus that mere criticism of government, however harsh, is categorically different from incitement to actual unlawful resistance or violence against it. Sedition remains a live offense in a number of legal systems today, generally requiring proof that the speech or conduct in question was intended to and likely to incite imminent lawless action against government authority, a standard substantially narrower than simple advocacy of unpopular or radical political views.

Facts
Classification Code
Under United States federal law, seditious conspiracy is defined as two or more persons conspiring by force to overthrow, oppose, or hinder the government or its laws, or to seize government property, a statutory definition distinct from ordinary treason or incitement charges. 2
Typical Penalty
Canada treats sedition, including seditious words, seditious libel, and seditious conspiracy, as an indictable offense carrying a maximum penalty of fourteen years imprisonment. 1
Elements of Offense
Sedition consists of overt conduct, whether speech or organized activity, that tends toward rebellion against a state's established governing authority, distinguishing it from private or merely critical expression. 1
Notable Example
The last sedition prosecution in the United Kingdom took place in 1972, when three people were charged with seditious conspiracy and uttering seditious words for attempting to recruit fighters to travel to Northern Ireland in support of Republican paramilitary groups. 1
Jurisdiction Variation
The specific overt acts that a sedition law will prosecute vary considerably by jurisdiction, so the same speech or organizing activity can be chargeable in one country's legal system and lawful in another's. 1
Classification
Offense Grade
Serious or Indictable Offense 1
Connections

Has Offense Grade

Entity-backed identity for the offense-grade enum value this offense already carries, resolved to a crime concept by an explicit value-to-entity map (phase 3 bucket conversion, docs\design_entity_backed_browse_buckets_20260928.md). The offense-grade fact itself stays on the offense unchanged.

Sources
1. Sedition (Wikipedia)
Wikipedia
  • lead paragraph, first sentence
    Sedition is overt conduct, such as speech or organization, that tends toward rebellion against the established order.
  • Opening definition paragraph
    Sedition is overt conduct, such as speech or organization, that tends toward rebellion against the established order.
  • First section, after definition
    The overt acts that may be prosecutable under sedition laws vary by jurisdiction.
  • United Kingdom section
    The last prosecution for sedition in the United Kingdom was in 1972, when three people were charged with seditious conspiracy and uttering seditious words for attempting to recruit people to travel to Northern Ireland to fight in support of Republicans.
  • Canada section
    In Canada, sedition, which includes speaking seditious words, publishing a seditious libel, and being party to a seditious conspiracy, is an indictable offense, for which the maximum punishment is of fourteen years' imprisonment.
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2. 18 U.S. Code section 2384 (Cornell LII)
Cornell Law School, Legal Information Institutestatute text (conspiracy clause)
Quote, statute text (conspiracy clause)
If two or more persons in any State or Territory, or in any place subject to the jurisdiction of the United States, conspire to overthrow, put down, or to destroy by force the Government of the United States, or to levy war against them, or to oppose by force the authority thereof, or by force to prevent, hinder, or delay the execution of any law of the United States, or by force to seize, take, or possess any property of the United States contrary to the authority thereof, they shall each be fined under this title or imprisoned not more than twenty years, or both.
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