What Evidence Do You Need for an Asylum Case? Top 5 Types

Last updated: 5 October 2026

Photo: Folders - Quinn Daedal

Your asylum case depends on the evidence you provide. Without strong evidence, even a genuine claim can fail. Understanding the main asylum evidence types helps you build a case that decision-makers take seriously. This guide explains the five most important types of evidence and how each one supports your claim.[1]

Many asylum seekers do not know what evidence they need. As a result, they miss opportunities to strengthen their case. The good news is that you do not need every type of evidence. However, the more you can provide, the better your chances. This asylum guide walks you through each type so you can start gathering your evidence today.

Type 1: Your Personal Statement

Your personal statement is the foundation of your asylum case. This is a written account of what happened to you, why you left your country, and why you cannot return. Decision-makers read this document carefully before the hearing. Therefore, it must be clear, detailed, and honest.[2]

A strong personal statement follows a chronological order. It starts with your background and moves through the events that caused you to flee. You should include specific dates, names of people involved, and exact places where things happened. Vague statements like "I was attacked many times" are much weaker than "On 15 March 2024, three men attacked me outside my home in Tbilisi."

Additionally, explain how each event made you feel and what you did in response. Did you report the attack to the police? If so, what happened? If not, explain why. Decision-makers want to understand your full story. Consequently, do not leave gaps. If there are things you find difficult to talk about, explain that too. Judges understand that trauma affects memory.

Type 2: Country of Origin Evidence

Country of origin information (COI) shows the decision-maker what conditions are like in your home country. This evidence proves that the persecution you describe is real and that your country cannot protect you. There are several sources of COI that courts accept.[3]

The most common sources include expert witness reports written by country specialists, UNHCR guidance notes, Home Office Country Policy and Information Notes (CPINs), US State Department country reports, and reports from Human Rights Watch and Amnesty International. Expert witness reports are especially valuable because they are tailored to your specific case rather than being general background documents.

For example, a general report might say that political opponents face risk in a certain country. However, an expert report will explain exactly how someone with your profile faces danger. This makes the evidence directly relevant to your claim. Furthermore, judges give more weight to evidence that addresses your personal situation.

Type 3: Medical and Psychological Evidence

Medical evidence documents the physical and psychological effects of persecution. A medico-legal report (MLR) is a medical examination that follows the Istanbul Protocol. This is the international standard for documenting torture and ill-treatment. The doctor examines your body for scars, injuries, and other marks. They then assess whether these are consistent with the events you describe.[4]

Psychological evidence is equally important. Many asylum seekers suffer from post-traumatic stress disorder (PTSD), depression, or anxiety because of what happened to them. A psychologist or psychiatrist can provide a report that explains your condition and links it to the persecution you experienced. This evidence helps explain why you may have difficulty remembering dates or giving a perfectly consistent account.

Medical evidence indicating torture or serious harm should be given considerable weight. Such evidence should not be discounted merely because the applicant has not previously disclosed the harm.
UNHCR, Guidelines on International Protection No. 4: Internal Flight or Relocation Alternative, HCR/GIP/03/04 (2003)

Type 4: Documentary Evidence

Documentary evidence includes any physical or digital documents that support your story. These help prove who you are, what happened, and why you are at risk. Examples include identity documents (passport, national ID card, birth certificate), police reports or complaints, court documents, letters from organisations, photographs, and news articles about events you describe.[5]

Even small documents can be important. A membership card for a political party, a letter from a church, or a screenshot of a news report can all support your case. Moreover, photographs of injuries taken at the time they happened are strong evidence. If you have any documents from your home country, keep them safe. Your lawyer can help decide which ones to include in your evidence bundle.

It is normal to not have all your documents. Many people flee in a hurry and cannot bring everything. However, you should explain why certain documents are missing. For more guidance on this situation, see our article on claiming asylum without documents.

Type 5: Witness Statements and Expert Witness Reports

Witness statements come from people who know about your situation. This includes family members, friends, community leaders, or anyone who saw what happened to you. A witness statement should be signed and dated. It should explain the witness's relationship to you and what they personally saw or know.[6]

Expert witness reports are different from personal witness statements. An expert is a person with specialist knowledge about your country or a relevant subject. For example, a country expert can explain the political situation, the risks for certain groups, and whether internal relocation is safe. A medical expert can explain your injuries. Courts in the UK, US, and Canada all accept expert evidence.[7]

An expert witness report from a qualified professional adds independent authority to your case. Unlike your personal statement, which is your own account, an expert report provides an objective analysis based on research and professional experience. Consequently, judges often find expert evidence very persuasive.

Evidence Summary: The 5 Types at a Glance

How Expert Witnesses Help Build Your Evidence

Expert witnesses play a special role in asylum cases. They fill gaps in the evidence that you cannot fill on your own. For example, you may know that your country is dangerous, but a judge needs independent proof. An expert who has studied your country for many years provides that proof.

In the UK, the Upper Tribunal's Practice Direction 10 sets out the rules for expert evidence. The expert must be qualified, independent, and their report must be based on reliable sources. In the US, Federal Rules of Evidence 702 governs expert testimony. In both systems, a strong expert report can change the outcome of your case, especially on appeal.[8]

If you are looking for a qualified expert for your asylum case, you can search the expert witness directory on The Human Rights. The directory includes specialists covering many countries and human rights issues.

Conclusion

Strong evidence is the key to a successful asylum case. The five main asylum evidence types work together to tell your story and prove your need for protection. Your personal statement explains what happened. Country evidence proves the danger is real. Medical evidence documents the harm. Documents support the facts. Witness and expert statements add independent credibility. Start gathering your evidence early. Work closely with your lawyer. And remember: an expert witness report can often be the difference between refusal and protection.