What Is Particular Social Group? The Category Explained

Last updated: 16 September 2026

Photo: Sight - Aivars Kuznecovs

Particular social group (PSG) is the most expansive and contested of the five refugee Convention grounds. Article 1A(2) of the 1951 Convention lists "membership of a particular social group" alongside race, religion, nationality, and political opinion as a basis for refugee status. UNHCR Guidelines on International Protection No. 2 (2002) define a PSG as a group sharing a common characteristic other than the risk of persecution itself, or a group perceived as such by society. Furthermore, the case law applying PSG has developed significantly across UK, US, Canadian, and EU jurisdictions. This guide explains the PSG concept and the categories most commonly recognised in 2026.[1]

For broader asylum guidance, see the asylum guide collection.

The UNHCR PSG Framework

UNHCR's 2002 Guidelines provide two complementary approaches to PSG definition. The "protected characteristics" approach treats a group as a PSG where members share an innate characteristic (e.g., gender), an unchangeable past characteristic (e.g., former occupation), or a characteristic so fundamental to identity that members should not be required to renounce it (e.g., sexual orientation). The "social perception" approach treats a group as a PSG where it is perceived as a group by society. Furthermore, most jurisdictions accept either approach.[2]

The non-circularity rule

A PSG cannot be defined solely by the persecution it faces. For example, "people targeted by gangs" is circular — the persecution defines the group. By contrast, "young men in gang-controlled neighbourhoods who have refused recruitment" is not circular — the group is defined by something other than just being targeted. Furthermore, this rule is consistently applied across UK, US, and Canadian case law.[3]

Commonly Recognised PSGs

Many PSGs have been recognised across jurisdictions. The list is not exhaustive — case law continues to develop.[4]

Gender-based PSGs

• Women in country X who resist forced marriage.
• Women in country X who refuse FGM.
• Women in country X who experienced gender-based violence.
• Women in country X transgressing social norms.
• Single women heads of household in country X.

Sexual orientation and gender identity (SOGIE) PSGs

• LGBTQ+ persons in country X.
• Transgender persons in country X.
• Same-sex partners in country X facing criminalisation.

Family-based PSGs

• Family members of named opponents.
• Family members of military deserters.
• Family members of named cartel/gang targets.

Past-occupation PSGs

• Former police officers in country X.
• Former interpreters with foreign forces.
• Former government officials of overthrown regime.
• Former combatants who deserted.

Other recognised PSGs

• Witnesses against criminal organisations.
• Trafficking survivors facing re-victimisation risk.
• Persons with disabilities in country X.
• Religious converts in country X.
• Albinos in some sub-Saharan African countries.

Leading Cases by Jurisdiction

Particular social group is a category that has expanded significantly through case law. The two-test framework — protected characteristics OR social perception — provides analytical structure while permitting recognition of new categories as societies and persecution patterns evolve.
UNHCR, Guidelines on International Protection No. 2: Membership of a Particular Social Group (2002)

Contested Areas

Several PSG areas remain contested in 2026.[5]

• Domestic violence as PSG: US case law has fluctuated; Matter of A-B- (2018) restricted, Matter of A-B-III (2021) reversed.
• Gang-based PSGs: "Young men resisting gang recruitment" recognised in some courts, contested in others.
• "Former gang members": Variable recognition; depends on individual circumstances.
• Property owners targeted by gangs: Often treated as criminal violence rather than persecution.
• Members of professional groups: Lawyers, journalists — sometimes recognised as PSG.

How to Argue a PSG Claim

Effective PSG arguments follow several principles.[6]

1. Define the group precisely: Avoid generic "people targeted by X".
2. Apply the two-test framework: Show protected characteristic OR social perception.
3. Establish particularity: Group has clear boundaries.
4. Establish social distinction: Society perceives the group as distinct.
5. Show the persecution is "for reasons of" PSG membership: Causation.
6. Cite recognised parallel case law: Where similar PSGs have been accepted.
7. Address state protection failure: Why the state cannot protect.

Conclusion

Particular social group is the most expansive Convention ground. The two-test UNHCR framework — protected characteristics or social perception — supports recognition of an evolving range of categories. Furthermore, gender-based, SOGIE, family-based, past-occupation, and other PSGs are well-recognised. Therefore, careful PSG analysis is essential in many asylum cases. To commission a country expert report supporting a PSG claim, use the find expert witness service. For broader asylum guidance, see the asylum guide collection.