UK Citizenship by Birth (Birthright Citizenship)
You may be eligible to claim British citizenship by birth as an American if you were born in the USA to UK parents, or you were born in the UK to US citizens who have obtained settled status in the UK.
For more information on UK birthright citizenship claims, contact Total Law UK immigration lawyers. You can reach us today at +1 844 312 4979 or request a free callback on our website.
What is Birthright Citizenship in the UK?
Unlike the United States, the UK does not grant unrestricted birthright citizenship to every child born in its territory. For people born in the UK on or after 1 January 1983, a child’s British citizenship status at birth depends on the citizenship or immigration status of at least one parent
A child born in the UK is automatically a British citizen if, on the date of birth, at least one parent was a British citizen or was settled in the UK. A settled parent may hold indefinite leave to remain, indefinite leave to enter or settled status under the EU Settlement Scheme
The rules differ for people born in the UK before 1 January 1983. Subject to limited exceptions, they became British citizens automatically at birth
A child born outside the UK to a British citizen may also acquire British citizenship automatically. The outcome can depend on the British parents’ citizenship status, the child’s date and place of birth, and the law in force at that time.
Some people who are not British automatically may be eligible to register as British citizens
British citizenship gives a person the right to apply for a British passport, live in the UK without immigration permission, and vote in UK elections when they meet the relevant electoral-registration requirements
Page Contents
- What is Birthright Citizenship in the UK?
- Citizenship “Otherwise By Descent” Vs Citizenship by Descent
- Claiming British Citizenship If You Were Born in the UK
- British Citizenship for Children Born Outside the UK
- British Citizenship for Adopted Children of British Nationals
- Meeting the Good Character Requirement for UK Citizenship
- How to Apply for British Citizenship by Birth?
- Do I Need to Attend a British Citizenship Ceremony?
- Cost of Application to Register British Citizenship
- Applying for a First British Passport
- Documents Required For British Passport Application
- How Total Law Can Help
- Frequently Asked Questions
Citizenship “Otherwise By Descent” Vs Citizenship by Descent
The British Nationality Act 1981 distinguishes between British citizenship otherwise than by descent and British citizenship by descent. The distinction can affect whether a British citizen can pass their citizenship automatically to a child born outside the UK
A person is a British citizen otherwise than by descent when they obtained citizenship in their own right. This category can include a person who was born in the UK, became a British citizen through naturalisation or registered under a route that grants citizenship otherwise than by descent
A person born in the UK before 1 January 1983 became a British citizen otherwise than by descent in most cases. A person born in the UK on or after 1 January 1983 is a British citizen otherwise than by descent if, at the time of their birth, at least one parent was a British citizen or settled in the UK
British citizens otherwise than by descent can normally pass British citizenship automatically to children born outside the UK. Those children will often become British citizens by descent
British citizenship by descent can apply to a person born outside the UK to a British citizen parent. Whether citizenship is acquired automatically depends on the parent’s nationality status, the child’s date and place of birth, and the nationality law in force at that time
A British citizen by descent cannot normally pass British citizenship automatically to a child born outside the UK. In some cases, the child may be eligible to register as a British citizen under a route in the British Nationality Act 1981

Claiming British Citizenship If You Were Born in the UK
If you were born in the UK, you may already be a British citizen, or you may be eligible to register as a British citizen. Your position depends on your date of birth, your parents’ status when you were born and, in some cases, your residence in the UK
You Were Born in the UK Before 1 January 1983
In most cases, people born in the UK before 1 January 1983 became British citizens automatically at birth
Limited historic exceptions apply. You may not have acquired British citizenship automatically if, when you were born:
- Your father was a diplomat from a non-UK country and had diplomatic immunity
- You were born in the Channel Islands during the Second World War, and your father was an enemy alien in occupation
If you are already a British citizen, you may be able to apply for a first British passport. You may also be able to request confirmation of your British nationality status, where this is appropriate
You Were Born in the UK On or After 1 January 1983
You are automatically a British citizen if you were born in the UK on or after 1 January 1983 and, on the date of your birth, at least one parent was a British citizen or settled in the UK
A settled parent may hold indefinite leave to remain, indefinite leave to enter or settled status under the EU Settlement Scheme. If you acquired British citizenship at birth, you may be able to apply for a British passport as evidence of your status
If you were not automatically a British citizen at birth, you may be eligible to register as a British citizen through one of several routes
Your Parent Became British or Settled
You may be entitled to register as a British citizen if:
- You were born in the UK
- Neither parent was a British citizen or settled in the UK when you were born
- Before you turned 18, either parent became a British citizen or settled in the UK
- You are under 18 when your application is received
- You meet the good-character requirement if you are aged 10 or over
You Lived in the UK Until You Were 10
You may be entitled to register as a British citizen if you were born in the UK on or after 1 January 1983 and have lived in the UK for the first 10 years of your life
To qualify, you must:
- Be aged 10 or over when you apply
- Have been absent from the UK for no more than 90 days in each of the first 10 years of your life
- Meet the good-character requirement
This route may apply even if neither parent became a British citizen or settled in the UK after your birth
British Citizenship for Children Born Outside the UK
A child born outside the UK may already be a British citizen or may be eligible to register as a British citizen. The outcome depends on the child’s date and place of birth, the parent’s British citizenship status, the family’s residence history and the registration route available
You Became British After Your Child Was Born
If your child was born outside the UK before you became a British citizen, they will not become British automatically because of your later naturalisation or registration
You may be able to apply to register your child as a British citizen under the Home Secretary’s discretionary power.
The Home Office will assess the child’s connection to the UK, the immigration status of both parents, the child’s residence and settlement, parental consent and any good-character concerns
The Home Office will normally register a child applying with a parent who is becoming British if:
- One parent is, or is about to become, a British citizen through registration or naturalisation
- The other parent involved in the child’s life is a British citizen or settled in the UK
- The child has lived in the UK for the last two years
- The child is settled in the UK
- The child meets the good-character requirement if aged 10 or over
- Both parents consent where this is required, or any objection by the non-applying parent is ill-founded
A child under 2 may be eligible to apply with a shorter period of residence. Each application is assessed on its facts, and registration under this route is discretionary.
You Were Born Abroad to a British Parent
A child born outside the UK to a British citizen may acquire British citizenship automatically. The position depends on the British parents’ citizenship category, the child’s date and place of birth, and the nationality law in force at the time of birth
A child born abroad to a British citizen otherwise than by descent may be a British citizen by descent from birth. A British citizen by descent cannot normally pass British citizenship automatically to a child born outside the UK
However, an overseas-born child of a British citizen by descent may have an entitlement to register as a British citizen under sections 3(2) or 3(5) of the British Nationality Act 1981
The British Parent Lived in the UK Before Your Birth
A child may be entitled to register as a British citizen under section 3(2) if:
- The child was born outside the UK
- A parent was a British citizen by descent when the child was born
- The relevant grandparent was a British citizen otherwise than by descent at the required time
- The British citizen by descent parent lived in the UK for a continuous three-year period before the child was born
- The British parent spent no more than 270 days outside the UK during that three-year period
- The child is under 18 when the application is made
- The child meets the good-character requirement if aged 10 or over
Registration under section 3(2) confers British citizenship by descent on the child.
Your Family Lived in the UK After Your Birth
A child may be entitled to register as a British citizen under section 3(5) if:
- The child was born outside the UK to a parent who was a British citizen by descent
- The child and both parents were in the UK at the beginning of the three-year period before the application
- The child and both parents lived in the UK for the three years ending on the date of application
- The child and each parent spent no more than 270 days outside the UK during that period
- The child is under 18 when the application is made
- The child meets the good-character requirement if aged 10 or over
- The required parental consent is provided
Limited variations can apply where a parent has died, or the parents are divorced, their civil partnership has ended, or they are legally separated. Registration under section 3(5) gives the child British citizenship otherwise than by descent
British Citizenship for Adopted Children of British Nationals
A child adopted by a British citizen may acquire British citizenship automatically or may be eligible to apply for registration as a British citizen.
The outcome depends on where and when the adoption was completed, whether it is recognised in UK law and the adoptive parent’s citizenship status
Adoption Ordered by a UK Court
A child under 18 who is adopted by an order of a UK court on or after 1 January 1983 becomes a British citizen on the date of the adoption order if at least one adopter is a British citizen at that time
A child who acquired British citizenship through a qualifying UK adoption may apply for a British passport as evidence of their citizenship status
Adoption Completed Outside the UK
A child adopted outside the UK may acquire British citizenship automatically if the adoption meets the requirements for a Hague Convention adoption
The child may become a British citizen automatically if:
- The adoption was completed under the 1993 Hague Convention on Intercountry Adoption
- The adoption was effected on or after 1 June 2003
- At least one adopter was a British citizen when the adoption was effected
- The British adopter was habitually resident in the UK, or both adopters were habitually resident in the UK in a joint adoption
An overseas adoption that does not meet these conditions will not automatically confer British citizenship on the child. The child may be eligible to apply for registration as a British citizen under section 3(1) of the British Nationality Act 1981
British Citizenship Through a Parental Order
A child may become a British citizen through a qualifying parental order made by a UK court on or after 6 April 2010
At least one person in whose favour the parental order is made must be a British citizen on the date of the order. The child becomes a British citizen from that date
British citizenship acquired through a qualifying adoption or parental order is not lost only because the adoption or parental order later ceases to have effect.
Registration for an Adopted Child
Where an adopted child did not acquire British citizenship automatically, an application for registration as a British citizen may be possible.
The Home Office will consider the child’s best interests, whether the adoption is recognised in UK law, the adoptive parent’s British citizenship, the child’s immigration status and the child’s connection to the UK
Registration under this route is discretionary. It is not guaranteed merely because an adoptive parent is habitually resident in the UK
Meeting the Good Character Requirement for UK Citizenship
The good-character requirement applies to most applications to register as a British citizen and to applications for naturalisation. It applies to applicants who are aged 10 or over on the date of application
The requirement does not apply where a child acquired British citizenship automatically at birth. A child who is already British may instead need to apply for a British passport or obtain other evidence of their citizenship status
When assessing a child’s application, the Home Office considers whether the child is of good character on the balance of probabilities.
Caseworkers must take into account mitigation relevant to the child’s individual circumstances
The Home Office may consider whether the child has:
- Been convicted of an offence, received a caution or been involved in criminal conduct
- Been involved in terrorism, war crimes, crimes against humanity, genocide or conduct not conducive to the public good
- Deliberately provided false information or documents to the UK government
- Breached immigration laws, such as by overstaying or working in breach of immigration conditions
- Failed to meet financial obligations or engaged in other conduct relevant to their character
An immigration breach that was outside a child’s control should not normally count against them. For example, this may apply where a parent failed to renew the child’s immigration permission.
How to Apply for British Citizenship by Birth?
Whether you need to apply depends on whether you acquired British citizenship automatically at birth. If you are already a British citizen, you do not need to register as a British citizen before applying for a British passport
You Were Born in the UK to a British or Settled Parent
A child born in the UK to a British citizen or a parent settled in the UK is automatically a British citizen if that parent held the relevant status on the date of the child’s birth
In this situation, no citizenship application is required. You may be able to apply directly for a first British passport using evidence of the child’s birth and the parent’s British citizenship or settled status
You Were Born in the UK to Parents Who Were Not British or Settled
A child born in the UK who was not a British citizen at birth may be entitled to register as a British citizen if, while the child is under 18, either parent becomes a British citizen or is settled in the UK
A person born in the UK on or after 1 January 1983 may also be entitled to register after living in the UK for the first 10 years of their life.
They must be aged 10 or over, have spent no more than 90 days outside the UK in each of those years and meet the good-character requirement
You Were Born Outside the UK to a British Parent
A child born outside the UK to a British citizen may acquire British citizenship automatically. The result depends on the parent’s citizenship category, the child’s date and place of birth and the law in force at the time
If the child is already a British citizen, they can apply for a British passport without registering as a British citizen. If the child did not acquire citizenship automatically, they may be eligible to apply for registration under a relevant route in the British Nationality Act 1981
Applying to Register a Child
A parent, guardian or another person with parental responsibility can apply to register a child under 18 as a British citizen. The application route and form depend on the child’s circumstances and where they are applying from
For most relevant applications made in the UK, the applicant completes Form MN1 online. Supporting documents can be uploaded online or scanned at a UK Visa and Citizenship Application Services appointment
Children may need to provide biometric information. Children aged under 5 do not provide fingerprints. Applicants outside the UK follow the process set by the relevant British embassy, consulate or visa application centre
Decision and Passport Application
The Home Office aims to decide child registration applications within six months, although some take longer. It may ask for further evidence or invite an applicant to attend an interview before making a decision
Once a child has been registered as a British citizen, they can apply for a British passport.
Do I Need to Attend a British Citizenship Ceremony?
Minor children in the UK who are not automatically British obtain British citizenship through registration (not naturalization) and are therefore not required to attend a citizenship ceremony. However, you’ll have to attend a citizenship ceremony and pay the £130 citizenship ceremony fee if you turn 18 during the application process.

Cost of Application to Register British Citizenship
British citizenship registration for minors under 18 years costs £1,000. However, if you turn 18 during the application process, you’ll pay an additional £130 for your citizenship ceremony.
If you’re over 18 years old, British citizenship registration costs £1,540

Applying for a First British Passport
A child can apply for a first British passport after being registered as a British citizen. A child who acquired British citizenship automatically at birth may apply for a passport without making a citizenship-registration application
For a standard 34-page child passport application made in the UK, the fee is:
| Application Method | Fee |
|---|---|
| Online application | £66.50 |
| Paper application | £80 |
A child under 16 needs a child passport. Applications can be made online or by paper form in the UK. Parents applying from outside the UK, including the US, must use the HM Passport Office overseas passport service. The fee, document submission method, and courier charges may differ from the UK process.
You must provide your child’s photograph, supporting documents and the relevant passport fee. The passport application will confirm whether an identity confirmer is required.
Where an identity confirmation is required, the person must meet HM Passport Office’s criteria and must have known the parent or guardian making the application for at least two years. They should follow the instructions provided through the application process.
For a paper passport application, a child aged 12 or over must sign the form. Follow the form instructions on who can act as a counter-signatory and how they must confirm the child’s identity
Applying for an Adult Passport
You can apply for an adult passport if you are aged 16 or over, or if you will turn 16 within three weeks. A standard adult passport is valid for 10 years
A certificate of entitlement is not an alternative document for every British citizen who does not want a passport.
It is evidence of a person’s right of abode in the UK and may be relevant where the person does not hold a qualifying British passport. The fee is £589.
Documents Required For British Passport Application
You must provide supporting documents to prove your child’s British nationality and eligibility for a British passport. You’d usually need to submit:
- The child’s full birth or adoption certificate. If the name on the birth certificate does not match the name on the passport application, you must also submit a letter from both parents confirming the name change and consenting to the passport application, a deed poll, and evidence of the name being used in an official record.
- Proof of your child’s British nationality. This could be a British registration certificate, a parent’s passport details, or a parent’s birth certificate.
- The child’s other passports, if they hold other nationalities.
You must submit original documents or official copies of certificates. The Passport Office does not accept photocopies, certified copies, or laminated documents. You must also provide certified translations of documents in languages other than English or Welsh.

How Total Law Can Help
If you do not automatically receive British citizenship at birth, claiming birthright British citizenship can be a complex process. You’ll have to prove that you have a right to British nationality by birth, and any mistake in your application can result in a refusal.
Due to the complexity of the process, it’s highly advisable to seek expert legal assistance to increase your chances of a successful application. Our UK immigration lawyers at Total Law are conversant with British nationality Law and have helped many clients successfully make their British citizenship claim.
Once you sign up for our service, you’ll be assigned a dedicated lawyer who will help you examine your ancestry and circumstances to establish your eligibility for British citizenship. Your lawyer will also help compile your supporting documentation, complete your registration or naturalisation application, and liaise with the Home Office until you are officially pronounced a British citizen.
Call us today at +1 844 312 4979 for assistance with your British citizenship by birth registration, or request a free callback on our website to speak with one of our expert UK immigration lawyers.
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Related pages for your continued reading.
Frequently Asked Questions
You can apply to register your child as a British citizen once you or the child’s other parent gets indefinite leave to remain in the UK or becomes a British citizen. If you do not hold ‘settled status,’ your child can still apply to register as a British citizen if they have lived in the UK for the first 10 years of their life.
You no longer have to pay the Immigration Health Surcharge for your child once they gain British citizenship. British citizenship gives you full rights to the NHS.
Citizenship by double descent allows a person born outside the UK to claim British nationality through a British-born grandparent. However, this is only possible in exceptional circumstances, as children born abroad to British parents born abroad do not automatically inherit British nationality. This is because UK nationals abroad can only pass down their nationality one generation.
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