What Is Complementary Protection? When Refugee Status Doesn't Apply

Last updated: 5 October 2026

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Sometimes people apply for asylum but do not meet the definition of a refugee under the 1951 Refugee Convention. However, they still face serious danger if they go back home. In these cases, complementary protection fills the gap. It is a form of international protection based on human rights law, not on the Refugee Convention. This guide explains what complementary protection is, how it works in the UK, US, and EU, and when it can help you stay safe. If you need help with your case, you can find an expert witness through our directory.

Complementary protection is especially important because many people flee danger that does not fit neatly into the five Refugee Convention grounds (race, religion, nationality, political opinion, or membership of a social group). For example, you may face torture, war, or medical emergencies. In all these situations, countries cannot send you back if doing so would violate their human rights obligations. This principle is called non-refoulement — a legal rule that says a state must not return a person to a place where they face serious harm.[1]

What Is Complementary Protection?

Complementary protection is any form of protection that a country gives to a person who is not a refugee under the 1951 Convention but who still cannot be safely returned home. It comes from human rights treaties, not from refugee law. The most important legal basis is the principle of non-refoulement. This principle exists in several treaties, including the European Convention on Human Rights (ECHR), the Convention Against Torture (CAT), and the International Covenant on Civil and Political Rights (ICCPR).[2]

In simple terms, if sending you home would put you at real risk of torture, death, or other very serious harm, the country where you are must protect you. This is true even if your case does not involve persecution based on race, religion, nationality, political opinion, or social group. The harm can come from war, generalized violence, medical emergencies, or other serious threats.

The principle of non-refoulement is the cornerstone of international protection. It applies to all persons regardless of whether they have been formally recognised as refugees.
UNHCR, Advisory Opinion on Non-Refoulement, 2007

Complementary Protection in the United Kingdom

The UK offers several forms of complementary protection. Each form has different rules, different lengths of stay, and different rights. If you are applying for asylum in the UK, it is important to understand these options. For more detailed guidance on the UK asylum process, see our asylum guide.

Humanitarian Protection

Humanitarian Protection (HP) is the main form of complementary protection in the UK. The Home Office grants HP when a person faces a real risk of serious harm if returned. Serious harm means the death penalty, torture or inhuman treatment, or a serious threat to life from armed conflict. This protection comes from Article 3 of the ECHR, which says no one shall be subjected to torture or inhuman or degrading treatment. HP usually gives five years of leave to remain. After five years, a person can apply to stay permanently (called Indefinite Leave to Remain).[3]

Discretionary Leave

Discretionary Leave (DL) is shorter and more limited than HP. The Home Office grants DL when a person does not qualify for refugee status or HP but there are strong reasons not to remove them. Common reasons include Article 8 ECHR (right to private and family life), serious medical conditions where treatment is not available in the home country, and other individual circumstances. DL is usually granted for 30 months. It can be renewed, but it takes longer to get permanent status.[4]

UASC Leave

Unaccompanied Asylum-Seeking Children (UASC) Leave is given to children who arrive in the UK alone and whose asylum claim is refused. The Home Office grants UASC Leave until the child turns 17.5 years old. This ensures that no child is removed from the UK without proper care arrangements in their home country. However, this leave does not automatically lead to permanent status.[5]

Complementary Protection in the United States

The US system uses different names but the idea is similar. Several forms of protection exist for people who face danger but do not qualify as refugees. For more information on how these forms relate to human rights protections, see our resources.

Withholding of Removal

Withholding of Removal is available under Section 241(b)(3) of the Immigration and Nationality Act (INA). To qualify, you must show that it is "more likely than not" that you would face persecution on a protected ground if returned. This is a higher standard than for asylum, which only requires a "well-founded fear." However, Withholding of Removal is mandatory: if you meet the standard, the judge must grant it. The downside is that it does not give you a path to permanent residence or citizenship, and it does not allow family reunion.[6]

CAT Protection

Protection under the Convention Against Torture (CAT) is available to anyone who can show it is "more likely than not" that they would be tortured if returned. Torture means severe pain or suffering caused by, or with the consent of, a government official. CAT protection does not require a link to a Convention ground. It protects people regardless of their criminal history. There are two forms: withholding of removal under CAT (which cannot be taken away easily) and deferral of removal under CAT (which can be reviewed and removed).[7]

Temporary Protected Status (TPS)

TPS is a temporary status that the US government gives to nationals of certain countries experiencing armed conflict, natural disaster, or other extraordinary conditions. TPS holders can live and work in the US legally, but they do not receive permanent residence. TPS must be re-designated periodically by the Secretary of Homeland Security. As of 2025, nationals of 16 countries hold TPS, including Ukraine, Venezuela, Haiti, and Somalia.[8]

Deferred Enforced Departure (DED)

DED is similar to TPS but is granted by the President rather than the Department of Homeland Security. It provides temporary protection from deportation and work permission. DED is not based on a specific law but on the President's constitutional authority over foreign affairs. It has been used for nationals of countries like Liberia and Hong Kong.[9]

Complementary Protection in the European Union

Subsidiary Protection

In the EU, the main form of complementary protection is called Subsidiary Protection. It is defined in Article 15 of the Qualification Directive (2011/95/EU). A person qualifies if they face a real risk of serious harm: the death penalty, torture or inhuman treatment, or a serious and individual threat to life from indiscriminate violence in armed conflict. Subsidiary Protection gives a residence permit of at least one year (often three years), the right to work, and access to healthcare and education.[10]

Temporary Protection Directive

The Temporary Protection Directive (2001/55/EC) was activated for the first time in March 2022 for people fleeing Ukraine. It gives immediate protection without an individual asylum procedure. Beneficiaries receive a residence permit, the right to work, housing, and medical care. The Directive was extended through March 2026. Over 4 million Ukrainians received temporary protection in the EU under this mechanism. It shows that complementary protection can work at very large scale when there is political will.[11]

All Forms of Complementary Protection Compared

Key Differences from Refugee Status

Complementary protection is valuable but it usually comes with fewer rights than full refugee status. There are several important differences you should know about. First, the duration is often shorter. Refugee status in many countries gives five years or more of leave, with a clear path to permanent residence. Complementary protection may give only one to three years, and renewal is not always guaranteed.

Second, family reunion is harder. Refugees often have the right to bring their spouse and children to join them. People with complementary protection may face waiting periods, income requirements, or no family reunion rights at all. In the US, Withholding of Removal and CAT protection give no family reunion rights whatsoever. In the EU, subsidiary protection holders often wait longer than refugees before they can apply for family reunion.[12]

Third, travel documents may be more limited. Refugees receive a Convention Travel Document that allows international travel. People with complementary protection may receive a travel document with more restrictions, or they may need to apply separately. Finally, some forms of complementary protection can be reviewed and removed more easily than refugee status if conditions in the home country change.

When Does Complementary Protection Apply?

Complementary protection can help in many different situations. It is especially relevant when your case involves one of the following. Medical cases are one example. If you have a very serious medical condition and there is no treatment in your home country, removal could violate Article 3 ECHR. The European Court of Human Rights confirmed this in the landmark case of Paposhvili v Belgium (2016), which lowered the threshold for medical cases.[13]

Generalized violence is another common situation. If your home country has widespread armed conflict, you may face a real risk even if no one is targeting you personally. The EU Qualification Directive, Article 15(c), specifically covers this. The Court of Justice of the EU has said that the level of violence can be so high that anyone in the area faces a real risk. Similarly, TPS in the US is designed for exactly this type of situation.

Statelessness can also create a need for complementary protection. If you are not a citizen of any country, you may not be able to return anywhere. In these cases, complementary protection or related forms of leave may be the only option. Additionally, some cases involve a real risk of harm that does not fit a Convention ground. For example, a person may face blood feud violence, gang threats, or revenge attacks that are not linked to race, religion, nationality, political opinion, or social group.

How Expert Witnesses Support These Claims

Complementary protection claims often depend on detailed evidence about country conditions. An expert witness can provide reports that explain the risks a person faces upon return. For medical cases, a medical expert can confirm the diagnosis and explain what treatment is available (or not available) in the home country. For cases involving generalized violence, a country expert can explain the security situation and the real risk to civilians.

Expert evidence is especially important because complementary protection claims can be harder to prove than refugee claims. Decision-makers may be less familiar with the legal tests. A well-written expert report can make the difference between a grant and a refusal. The expert can also explain how conditions have changed since the person left their home country, which is important for both initial claims and appeals.[14]

Conclusion

Complementary protection is a vital safety net for people who face serious danger but do not meet the definition of a refugee. It exists in many forms across the UK, US, and EU. Each form has different rules, different rights, and different limitations. However, the core principle is the same: no country should send a person back to face torture, death, or other serious harm. If you are going through the asylum process and your refugee claim is uncertain, make sure your legal representative considers all forms of complementary protection. It could be the difference between safety and danger. For more detailed guides and asylum advice, continue exploring our resources.