How to apply for Canadian citizenship by descent, step by step
If you have a Canadian parent, grandparent or earlier ancestor, you may already be a Canadian citizen.
You don’t apply to become Canadian; you apply for a citizenship certificate—via a proof of citizenship application—to prove you already are.
This page walks you through every step, from gathering family records to getting your citizenship certificate, and flags where applications most often go wrong.
Table of contents
Overview
If you have a Canadian parent, grandparent, great-grandparent, or earlier ancestor, you may already be a Canadian citizen. To have that status recognized, you apply to Immigration, Refugees and Citizenship Canada (IRCC) for a Canadian citizenship certificate. This document serves as proof of citizenship.
You don't apply to become a citizen, you apply for proof that you already are one.
The Canadian citizenship by descent process has three main stages:
- Gather your supporting documents from the original issuing authorities. They must show your ancestor's Canadian citizenship and every generation linking that ancestor to you.
- Fill out the application forms.
- Pay the fee, submit your application, and wait for a decision.
Our Bill C-3 explained page covers how the law changed the first-generation limit and who it affects.
Step 1: Gather your supporting documents
Gathering supporting documents is usually the longest part of the application process. Don't send your application until your document chain is complete, or until you can explain any gaps.
What your documents need to show
Your documents must show that your ancestor was a Canadian citizen. In some cases, a qualifying status works instead, such as British subject status in Canada before January 1, 1947. In Newfoundland and Labrador, the date is April 1, 1949. Your documents must also show the parent-child link at every generation, from that ancestor down to you.
For someone applying through a Canadian-born grandparent, the chain might look like this:
| Generation | Document | What it shows |
|---|---|---|
Grandparent | Canadian birth certificate | Born in Canada |
Parent | Birth certificate | Names the grandparent as a parent |
You | Birth certificate | Names your parent |
Each document must come from the original issuing authority, such as a civil registry or vital statistics office. It must also show who issued it, and copies must be clear and in colour. Genealogy websites and other third-party records can't be your only support, but they can suggest official records exist.
IRCC doesn't accept Quebec birth or marriage certificates issued before January 1, 1994. If yours is older, request a replacement from the Directeur de l'état civil du Québec.
For a fuller list, see our Documents required page.
If you can't get an official document
If a record is lost, destroyed, or never existed, explain in writing why you can't provide it. Include proof that you tried, such as emails, letters, or a "no record" notice from the issuing office.
For a missing birth certificate, IRCC accepts other records from the original authority. These include baptismal records from a reasonable time after birth, hospital records, or census records.
IRCC weighs all the evidence and decides on a "balance of probabilities." This means the evidence as a whole must show you're more likely than not a citizen. When IRCC asks for a specific document, a substitute will rarely do. Include as much evidence as you can from the start.
Our Missing or imperfect records page and Records retrieval help page cover this in more detail.
Documents in other languages
Documents that aren't in English or French need a translation. Unless a Canadian certified translator does the work, include the translator's affidavit. This is a sworn statement that the translation is accurate. You and your family members can't translate your own documents. Note: French records don't need a translation.
Step 2: Fill out the application
The main form is the Application for a Citizenship Certificate (Proof of Citizenship), known as the CIT 0001. It comes in IRCC's application package with an instruction guide and a document checklist (CIT 0014). Answer every question, and include every document the checklist asks for. Our CIT 0001 forms page explains the form in detail.
Applying online or on paper
| Method | Who it's for |
|---|---|
Online | Some applicants born on or after February 15, 1977, using an IRCC account. IRCC's online questions tell you if you qualify. |
Paper | Required if you and your Canadian parent were both born outside Canada. Also required if you were born on or before February 14, 1977. |
Most people applying through a grandparent or more distant ancestor will apply on paper. Only apply one way for the same request. If you submit both, IRCC won't process the online application.
Applying for several family members
Each person needs their own application form and fee. A parent or legal guardian fills out the form for children under 18. Relatives who share an ancestor can gather that ancestor's documents once, but each application needs its own copies.
You can mail several applications together and pay all the fees at once. If one application in the group is incomplete, though, IRCC returns all of them.
Children born outside Canada on or after December 15, 2025, may face an extra rule that applies when their Canadian parent was also born outside Canada. That parent needs at least 1,095 days of physical presence in Canada before the child's birth. The parent's calculation (CIT 0555) goes in with the child's application. Our Passing citizenship to your children page has the details.
Step 3: Pay the fee and submit your application
Paying the fee
Each person pays their own application fee online. Online applicants pay by card at the end of the application. Paper applicants pay first and include the printed receipt. The fee can't be refunded once processing starts, and IRCC keeps it if your application is refused. Our Cost and fees page lists current amounts.
Submitting your application
Online applicants submit through their IRCC account and should keep the confirmation number somewhere safe. Paper applicants in Canada or the US mail their application to IRCC's Case Processing Centre in Sydney, Nova Scotia. Applicants elsewhere follow the instruction guide, which routes them through a Canadian embassy, high commission, or consulate.
Paper applicants should use a mail or courier service that confirms delivery. IRCC's own confirmation can take a while.
Before you send it: a final check
- ☐ The form is signed and dated no more than 90 days before IRCC receives it
- ☐ Every question is answered
- ☐ The document checklist (CIT 0014) is included
- ☐ Photos meet IRCC's citizenship photo specifications: two printed photos on paper, or one digital photo online
- ☐ Colour copies of two IDs are included, both with your name and date of birth, and one with your photo
- ☐ The fee receipt is included
- ☐ The Use of a Representative form (IMM 5476) is included, if someone represents you
Note: Photos that miss the specifications are a common reason applications are sent back.
If you need your certificate urgently
You may qualify for faster processing if you need the certificate to:
- Avoid harm or hardship
- Move a minor child to Canada, if the child was born outside Canada to a Canadian parent
- Help someone who has no citizenship anywhere (statelessness)
- Travel for a death or serious illness in the family, if you can't get a passport from your other country
- Give up another citizenship by a deadline
- Apply for a job, keep a job, or attend school
- Access benefits, such as a pension, health care, or a Social Insurance Number
Dual citizens from visa-free countries, such as the US, may also qualify. They need proof of air travel to Canada within six months.
Include a written explanation and supporting documents. Online, the application asks if you need urgent processing. On paper, write "Urgent – Citizenship Certificate (Proof)" on the envelope. If you've already applied, use IRCC's web form, or contact the embassy or consulate where you applied. Even if your request qualifies, IRCC can't guarantee a faster decision. Wanting a passport "just in case" isn't a listed reason.
After you apply
IRCC first checks that your application is complete, and then sends an acknowledgement of receipt (AOR). This notice includes your unique client identifier (UCI), the number used to track your file. Online applicants get it in their IRCC account, and paper applicants get it by letter or email.
Online applicants can check their status in their IRCC account, and paper applicants can use IRCC's Client Application Status (CAS) tool once they have their AOR. Keep your file up to date, including any change of address.
Processing takes many months, and times vary. Applications from outside Canada and the US may take longer. Some files are picked at random for quality assurance, with an interview to check original documents. IRCC may also ask for more evidence, up to DNA testing to confirm a parent-child link.
If IRCC asks for more information
IRCC may ask for more documents, especially in complex cases, and set a deadline to respond. It may also ask you to answer questions in person or remotely. Follow the instructions in your IRCC account or letter.
Respond completely and on time. Under the Citizenship Act, if you don't respond and have no reasonable excuse, IRCC may treat your application as abandoned.
If your application is incomplete
IRCC returns an incomplete paper application with a letter listing what's missing. For online applications, a message appears in your IRCC account. IRCC only accepts an application for processing once it's complete, so a returned application hasn't started processing.
The decision
If your application is approved
IRCC issues your citizenship certificate in electronic or paper form, as you requested.
The certificate proves your Canadian citizenship, but it isn't a travel document. A Canadian passport is a separate application that comes next, using the certificate as proof of citizenship. Canada allows dual citizenship.
Passport applications mailed from the US have a service standard of 20 business days, plus mailing time.
If your application is refused
IRCC sends a refusal letter and keeps the fee. The letter explains why. You can then:
- Reapply with new or better evidence. There's no waiting period, but you pay a new fee.
- Ask for a judicial review by the Federal Court of Canada. You need the court's permission, called "leave." You must file within 30 days of the date on the refusal letter.
A judicial review isn't an appeal. With a deadline this short, this is the stage where legal advice matters most.
Applying on your own or with help
You don't need a representative to apply, and IRCC's forms and instructions are free. Many applicants get help, especially when records span several generations, documents are missing or inconsistent, or several relatives are applying.
An immigration lawyer can help you build a strong application and explain gaps in your documents. They can also show how IRCC officers are likely to assess your file before you submit.
Only authorized representatives can charge a fee for their help:
- Lawyers and paralegals in good standing with a Canadian law society
- Notaries in good standing with the Chambre des notaires du Québec
- Licensed citizenship or immigration consultants
If you use a representative, include the Use of a Representative form (IMM 5476). A representative can't fast-track your file or guarantee approval.
To weigh your options, see our dedicated page comparing the process of applying with a lawyer to doing the entire application by yourself.
Contact Cohen Immigration Law for Canadian Citizenship Assistance
Citizenship by descent claims hinge on preparing the strongest possible application with the information and records available. The Cohen Immigration Law Firm has over 50 years of experience in Canadian immigration and citizenship, with a dedicated team that helps applicants assemble and submit complete proof of citizenship applications.
You can also confirm your eligibility first using CanadaVisa's citizenship by descent eligibility checker, or read more about applying for proof of Canadian citizenship.
Get a Free Consultation on applying for Canadian Citizenship