Residence & citizenship

UK citizenship — five-year absences calculator

The general UK naturalisation route normally allows up to 450 absence days over the five-year required residence period.

Your dates, made clearer

Calculate your days

Calculated in your browser. Your trip dates stay in this tab.

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Your recorded visits

Add your trips abroad and any returns home. Gaps in your history are not counted.

How this count works

Departure and return dates do not count.

A separate limit of 90 days outside the UK during the final year also applies, together with other residence, immigration status and character requirements. The Home Office may allow exceptions. This counter cannot determine eligibility.

Read the complete rule explanation →