What is family reunification?

Family reunification is the legal immigration route that lets close relatives of a person with lawful residence or work authorization join them in their host country. It applies whenever a sponsor (the family member already established abroad) wants to bring their spouse, children, or other qualifying relatives to the same country of residence.

Governments treat family reunification as a distinct immigration category, separate from other forms of family-based migration. The sponsor takes legal responsibility for the application and must meet specific conditions set by the host country's immigration authority.

Who qualifies for family reunification?

Each country's immigration authority sets its own eligibility rules, which vary considerably.

In most countries, the following relatives qualify:

• Spouse or registered civil partner: the category recognized in most systems

• Dependent minor children: usually those under 18, though age cutoffs differ by country

Some countries allow applications for a wider family circle, including:

• Adult dependent children who cannot support themselves independently

• Parents or grandparents of the sponsor, under stricter income and accommodation requirements

The UK Home Office, USCIS in the United States, and Germany's Federal Office for Migration and Refugees (BAMF) each set their own eligibility rules. No universal standard exists.

Sponsor conditions in a family reunification application

The sponsor must satisfy conditions set by the host country before the authority will accept the family member's application.

Common requirements include:

1. Valid legal status: a residence permit, work authorization, or settled or permanent status in the host country

2. Sufficient income: evidence that the sponsor can support the incoming family members without relying on public funds. The threshold varies by country and immigration authority.

3. Adequate accommodation: proof that the family will have suitable housing for the full household

The sponsor submits evidence directly to the immigration authority: the Home Office for the UK, USCIS for the United States, BAMF (or the relevant Ausländerbehörde) for Germany, and the relevant national authority for EU member states.

How the family reunification process works

The process varies by country, but generally follows these steps:

1. The sponsor confirms their own residence or work status meets the host country's requirements.

2. The family member submits an application to the relevant embassy or consulate in their home country.

3. Supporting documents accompany the application, typically a marriage certificate or birth certificates for children, translated and apostilled where the immigration authority requires it, along with proof of the sponsor's income and accommodation.

4. The authority assesses the application and, if approved, issues a family reunification visa or entry clearance.

5. The family member travels and, on arrival, applies for a residence permit or leave to remain depending on the country's rules.

Processing timelines vary by authority and individual case circumstances.

Family reunification vs. a dependent visa

Family reunification and a dependent visa overlap significantly, and immigration systems sometimes use the terms interchangeably.

The practical distinction is timing. A dependent visa is typically issued alongside the sponsor's primary visa, allowing the family to travel together from the outset. Family reunification usually describes a separate application made after the sponsor is already established in the host country.

The applicable immigration authority's terminology governs: some systems call the same route "family reunion" rather than "family reunification."

Rights granted through family reunification

The rights a family member receives after reunification depend on the host country's immigration rules and the sponsor's visa category.

In many countries, a family reunification permit allows the holder to live in the host country for the duration of the permit, work without a separate authorization, and access public education for dependent children.

Work rights are not automatic everywhere. USCIS grants work authorization to some derivative visa holders but not others. The UK Home Office grants spouses of UK-based visa holders the right to work, with some exceptions.

Family members who maintain continuous legal residence for a qualifying period may become eligible to apply independently for permanent residency.

Family reunification key facts

• Family reunification is available in most countries, but qualifying relatives, sponsor requirements, and rights on arrival all vary by national immigration authority.

• The sponsor must hold valid legal status, such as a work visa, residence permit, or EOR-sponsored authorization, before the family can apply.

• Qualifying relatives almost always include the sponsor's spouse and dependent minor children. Eligibility for parents and other relatives is narrower and country-specific.

• Documentation requirements consistently include official relationship evidence (marriage certificates, birth certificates), translated and apostilled where the authority requires.

• Reunification does not automatically give family members the right to remain permanently. A separate permanent residency application is usually required after a qualifying period.

• Employers relocating staff on international assignments should factor family reunification processing timelines into their mobility planning, as family applications run independently of the employee's own visa.

FAQ

What is the difference between family reunification and a dependent visa?

A dependent visa is typically issued alongside the sponsor's primary visa so the family travels together from the start. Family reunification is usually a separate application made after the sponsor is already resident in the host country. Some systems use the terms interchangeably.

Can a family member work after arriving through family reunification?

Work rights depend on the host country's rules and the sponsor's visa category. In many European countries, a family reunification permit includes the right to work. USCIS grants work authorization to some derivative visa holders automatically. Others must apply separately.

Does the sponsor need to be a citizen to apply for family reunification?

No. In most countries, a lawful resident holding a valid residence permit or work authorization can sponsor family members. Citizenship typically unlocks a wider circle of qualifying relatives or faster processing, but it is not a prerequisite for family reunification itself.

Can family reunification lead to permanent residency?

In many countries, yes. Family members who enter through reunification and maintain continuous legal residence for a qualifying period can apply for permanent residency in their own right. The immigration authority in the host country sets the qualifying period and conditions.

How does family reunification fit into an employee's international relocation?

Employees on international assignments or long-term assignments often need to bring their families with them. Employers and HR teams need to plan for the family reunification process alongside the employee's own visa and work authorization, as family applications follow their own timelines. Deel Mobility helps employers coordinate immigration steps for both the employee and their accompanying family members.

Family reunification rules are set by each country's immigration authorities, and the information above reflects general principles that legal and immigration advisers can apply to specific situations.