Who Can Be Included in a Citizenship by Investment Application?
One of the most common questions we hear in a first conversation is not “how much does it cost” — it is “who else can be on the application with me.” For most families, citizenship by investment is not a solo decision. It is a decision about a household, sometimes spanning three generations, and the rules governing exactly who qualifies as a dependant are more detailed, and more consequential, than most applicants expect going in.
This guide sets out how family inclusion actually works across Caribbean Citizenship by Investment programmes: which relationships are recognised, the age and dependency tests that apply, how documentation requirements differ by relationship type, how programmes verify financial dependency in practice, what happens with unusual or non-traditional family situations, how family size affects timeline and cost, and why getting this wrong on paper is one of the most common causes of delay in an otherwise straightforward application.
- Every Caribbean CBI programme we advise on includes a spouse and dependent children as standard, with no meaningful variation in the core household.
- Parents, grandparents, adult children, and — in a smaller number of programmes — siblings can often be added, but exact age limits and dependency tests vary considerably between programmes.
- Family inclusion is frequently the deciding factor in which programme a family chooses, more than passport strength or headline cost.
The relationships programmes typically recognise
Every Caribbean CBI programme we advise on allows a principal applicant to include a spouse and dependent children as a matter of course — this is the one part of family inclusion that is genuinely consistent across the region. Beyond that immediate household, coverage becomes programme-specific, but the categories that commonly extend further include:
Of the principal applicant or their spouse, usually subject to a minimum age and sometimes a financial-dependency requirement that must be documented, not simply asserted.
Typically up to a defined age (often mid-to-late twenties), and frequently conditional on the adult child being unmarried, still in full-time education, or financially dependent on the principal applicant.
Of the principal applicant or spouse, in a smaller number of programmes, usually with tighter conditions — commonly requiring the sibling to be unmarried and without children of their own.
How the spouse relationship is actually verified
A spouse is close to universally eligible, but “spouse” is a legal category that due-diligence teams verify carefully. A civil or religious marriage certificate is the baseline requirement, and programmes increasingly ask for evidence that the marriage is genuine and subsisting — not merely a certificate on paper — particularly where the marriage is recent. Common-law or de facto partnerships are recognised in some programmes but not others, and where they are recognised, the evidentiary bar (proof of cohabitation over a defined period, for example) is usually higher than for a registered marriage. This is a detail worth clarifying early, because it can change which programmes are realistically available to a couple who are not formally married.
Recently married couples should also be aware that some programmes apply additional scrutiny, or a minimum marriage duration, specifically to guard against marriages of convenience entered into primarily to gain immigration status. This is not a reason to delay a genuine application, but it is a reason to make sure supporting evidence of the relationship — joint accounts, shared address history, photographs spanning the relationship, correspondence — is assembled and ready rather than an afterthought.
Dependent children: the age question that trips people up
Every programme defines a “dependent child” by an age threshold, and this is the single detail that causes the most confusion. A child under 18 is essentially always included without qualification. Above 18, most programmes continue to recognise the child as a dependant only if additional conditions are met — commonly some combination of being unmarried, still enrolled in full-time education, and financially dependent on the principal applicant. Some programmes extend the qualifying age further for children with a disability that prevents financial independence, subject to appropriate medical documentation.
The practical implication: a family with a 24-year-old who is not currently a full-time student may find that child eligible under one programme’s rules and ineligible under another’s, purely because of where each programme draws its age and education line. This is precisely the kind of detail that needs to be checked against the current rules of each specific programme rather than assumed from general industry pattern.
How programmes actually verify financial dependency
“Financial dependency” is not a self-declared status — it is a documented one, and the evidentiary standard varies by relationship and by programme. For an adult child claiming dependency, reviewers typically look for evidence of enrolment in full-time education, absence of independent income or employment, and, in some cases, a formal declaration supported by bank records showing the principal applicant’s ongoing financial support. For a dependent parent, the test is often framed around the parent lacking sufficient independent means to support themselves and relying substantially on the principal applicant — evidenced through income statements, absence of a pension or independent asset base, or a combination of both.
This is one of the areas where preparation genuinely changes outcomes. A dependency claim supported by a clear, consistent documentary record moves through review far more smoothly than one asserted without support and then substantiated reactively after a query is raised.
Why the exact rules matter more than the general pattern
The pattern above holds broadly across the Caribbean CBI programmes, but the specific age cut-offs, dependency tests, and additional-dependant government fees differ by country — sometimes significantly. A parent who qualifies as a dependant under one programme’s age and support rules may not qualify under another’s. An adult child who is 26 and unmarried may be eligible on one programme and ineligible on another purely because of where the age line is drawn.
A proper family-inclusion assessment maps your specific household — ages, marital status, financial dependency — against each programme’s real rules before recommending a route.
The documentation each relationship actually requires
Each dependant category carries its own documentation burden, and assembling this correctly the first time is one of the most effective ways to avoid delay:
A certified marriage certificate, and in many programmes, supporting evidence the marriage is genuine — such as joint financial records or a marriage of sufficient duration.
A birth certificate establishing the parent-child relationship, plus — for adult children — proof of enrolment in full-time education or documented financial dependency.
Proof of the family relationship (birth certificates linking the generations), evidence of age where a minimum applies, and, where required, documentation of financial dependency on the principal applicant.
Proof of the sibling relationship, confirmation of unmarried status, and — in programmes that require it — evidence the sibling has no children of their own.
This is precisely why we do not give family-inclusion answers in the abstract. Every programme page in our Citizenship by Investment section sets out that programme’s actual dependant categories and conditions.
Unusual or non-traditional family situations
Not every household fits the standard spouse-and-children template, and it is worth knowing that most programmes have provisions for the situations that fall outside it, even where they are not always the first thing listed in a programme brochure.
Stepchildren are recognised as dependants in many programmes, typically subject to the same age and dependency conditions as biological children, though documentation may need to establish the step-relationship (such as the principal applicant's marriage certificate to the child's parent) alongside the child's birth certificate.
Legally adopted children are generally treated the same as biological children for eligibility purposes, provided the adoption is formally documented and, where relevant, recognised under both the country of adoption and the programme's own rules.
Where a principal applicant is the documented legal guardian of a minor — rather than a biological or adoptive parent — most programmes require formal guardianship documentation and may apply additional scrutiny given the more unusual nature of the relationship.
A single principal applicant can include their dependent children without a spouse on the application, and this does not affect the child's eligibility as a dependant.
How family size affects timeline and cost
Larger families should plan for both a longer preparation phase and a higher total cost than a single-applicant or couple-only application. Every additional dependant generally means an additional government due-diligence fee, an additional set of documents to collect and authenticate, and, in some programmes, an additional layer of background screening — particularly for adult dependants. This does not usually mean the government review itself takes proportionally longer per family member, since dependants are typically reviewed as part of a single consolidated application rather than sequentially, but it does mean the document-collection phase — the part most within your control — takes longer the more people are involved. Families with a large or multi-generational household benefit disproportionately from starting document collection early and centralising it through a single point of coordination, rather than each family member gathering their own paperwork independently.
This is precisely why we do not give family-inclusion answers in the abstract. Every programme page in our Citizenship by Investment section sets out that programme’s actual dependant categories and conditions.
What happens if a family member is added later
Families do not always finalise their household composition at the moment of application — a child may be born, a parent may become dependant, or a marriage may occur after citizenship has already been granted to the principal applicant. Most programmes provide a mechanism for adding a qualifying dependant after the fact, though the process, cost, and required documentation for this generally mirror the original application rather than being a simplified add-on. It is worth planning for this possibility at the outset rather than treating it as a problem to solve only if it arises, particularly for families who expect their household to grow.
Common documentation mistakes that delay family applications
Family applications are more prone to delay than single-applicant ones, simply because there are more documents, from more sources, that all need to be current, consistent, and properly authenticated. A handful of avoidable mistakes account for most of the delay we see in practice.
A name that appears slightly differently on a birth certificate, a passport, and a marriage certificate — a missing middle name, a different transliteration, a maiden name used inconsistently — routinely generates a query that a small amount of upfront reconciliation would have avoided.
Many supporting documents need to be authenticated for international use, and this step is frequently overlooked until a reviewer flags it, adding weeks to resolve rather than the days it would have taken if done upfront.
A document in a language other than the programme's official language generally needs a certified translation, not simply a translation — an informal or uncertified version is commonly rejected outright.
Financial-dependency documentation for an adult child or parent takes time to compile properly; starting this only after a reviewer asks for it adds avoidable weeks to the timeline.
How family inclusion should factor into your programme comparison
When a family is comparing two or three shortlisted programmes, family inclusion deserves the same structured comparison as cost or timeline, rather than being treated as a secondary detail confirmed only after a country is chosen. A useful comparison checks, for every programme under consideration, against your actual household: which specific relationships are recognised as dependants; what age and dependency tests apply to each of them; what additional government fee applies per dependant; and what documentation burden each relationship category carries. A programme that looks attractive on cost alone can turn out to be the more expensive, or simply ineligible, option once a family’s actual composition — a dependent parent, an adult child still in graduate school, a sibling with no children of their own — is checked against its real rules rather than assumed from general pattern.
A household decision, not an individual one
Because family inclusion varies so much by programme, it is often the deciding factor in which country a family chooses — more than passport strength or headline cost. A family that needs to include a dependent parent, for example, may find that consideration alone points clearly toward one programme over another, regardless of what looks most attractive on paper.
What to expect in a first family-inclusion consultation
A properly run first conversation about family inclusion is less about pitching a programme and more about mapping your household in detail before any recommendation is made. Expect to be asked about every person you might want to include — not just a spouse and minor children, but adult children, parents, and any other relative you might reasonably want covered — along with their ages, marital status, education or employment situation, and the nature of any financial dependency. This level of detail can feel unusually thorough compared to a typical sales conversation, but it is exactly what a genuine assessment requires: recommending a programme before understanding the full household is how families end up applying to the wrong country and discovering the mismatch only when a dependant turns out to be ineligible.
A good advisor will also ask about your timeline expectations for each family member, since a household that expects to grow — a child due within the application period, a parent whose circumstances are likely to change — benefits from planning for that now rather than treating it as a separate problem to solve later.
Frequently asked questions
Can unmarried partners be included in a CBI application?
Some programmes recognise common-law or de facto partnerships, typically requiring documented evidence of cohabitation over a minimum period; others require a formal, registered marriage. This varies by programme and is one of the first things to check if a couple is not formally married.
What happens to a dependent child's status once they turn 18?
Their citizenship, once granted, is unaffected — citizenship does not expire or get revoked based on age. The age thresholds discussed in this guide apply to eligibility to be included in an application, not to citizenship already held.
Can I add a parent to my application after I already hold citizenship?
In most programmes, yes, through a dedicated dependant-addition process, though it generally involves its own government fee and due-diligence review rather than being an automatic extension of your existing status.
Do all family members need to travel to the country during the application?
Generally not. Caribbean CBI programmes are typically structured so that no family member, including the principal applicant, needs to visit the country as part of the application process — though this can vary, and should be confirmed for the specific programme you are considering.
Are stepchildren treated the same as biological children?
In most programmes, yes, subject to the same age and dependency conditions, though the documentation needs to establish the step-relationship (typically the principal applicant’s marriage to the child’s parent) alongside the child’s own birth certificate.
Does including more dependants slow down the whole application?
It generally extends the document-collection phase, since more people means more paperwork to assemble and authenticate, but a well-coordinated family application does not typically face a proportionally longer government review simply because of family size — good preparation matters more than headcount.
Can grandparents be included even if the principal applicant's parents are not on the application?
Where grandparents are eligible under a given programme, this is generally assessed independently rather than requiring the intervening generation to also be included — but the exact relationship and dependency documentation required varies, and this specific scenario is worth confirming directly against the programme’s current rules.
Do adopted or step-grandchildren qualify the same way as biological grandchildren?
In most programmes that recognise grandchildren as eligible dependants at all, legally adopted grandchildren are treated the same as biological ones, provided the adoption is properly documented. Step-grandchildren are more programme-specific and should be checked individually rather than assumed.
What if a dependant's documents are in a language other than English?
They generally need a certified translation into the programme’s official language, not an informal one. Certified translation and, where required, apostille or legalisation should be budgeted into your timeline for every dependant whose civil documents originate from a non-English-speaking jurisdiction.
Does the principal applicant have to be the oldest or highest-earning member of the family?
No. Programmes generally allow the family to designate whichever adult family member will act as the principal applicant, with other eligible relatives included as their dependants — this is a structuring decision worth discussing with an advisor, since it can affect which relationships are available for inclusion under a given programme’s rules.
Is there a maximum number of dependants a single application can include?
Most programmes do not impose a hard cap on the number of dependants, provided each one independently satisfies the relevant relationship and dependency criteria, though very large households should expect a correspondingly larger total cost and a longer document-collection phase, as discussed above.
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