Oath of Allegiance
A formal pledge of loyalty to a state, taken upon acquiring citizenship as one of the concluding steps of the naturalization procedure.
The oath of allegiance is a formal pledge of loyalty to a state, its constitution, and its laws, taken by a person acquiring citizenship. In many countries it is a formal condition and one of the final steps of naturalization, after which citizenship is considered to take effect.
The wording and format of the oath vary: in some countries it is recited at a formal ceremony, in others it is made in writing. The content also differs — in some cases the oath includes a commitment to obey the law and remain loyal to the country, while in others it may involve renouncing prior allegiance, which relates to whether previous citizenship is retained or given up.
In citizenship-by-investment programs, an oath or a similar solemn declaration may be among the concluding formalities. The specific requirements, the need for personal attendance, and the content of the oath depend on the country and should be verified against official sources.
“The oath is the step that turns an approval into citizenship, so missing your ceremony date can stall the whole file. Read the wording too — in some countries it includes renouncing your previous nationality.”
Sergey Bolotin — Head of LegalFAQ
Do I have to travel to the country to take the oath?
It depends on the country and the programme: some require attendance at a ceremony in person, others allow the oath at a consulate or in writing. This is one of the few stages where personal presence may be required, so confirm the procedure early.
Does taking the oath mean renouncing my current citizenship?
Not always: the wording of the oath and its effect depend on whether the country permits multiple citizenship. The position of your existing country of citizenship should be checked separately.
Will the passport be issued before the oath?
Normally no: the oath is the closing step of naturalisation, followed by the certificate and then the passport. Where a programme has no oath requirement, documents are issued once approval is granted.
Do my spouse and children take the oath as well?
The requirement usually applies to adult participants in the application, with minors exempt. The age threshold and any exceptions are set by the law of the specific country.
What happens if I postpone the ceremony?
In several countries an approval is valid for a limited period, and without the oath the process is not complete and the status does not take effect. Any rescheduling has to be agreed with the competent authority.