The story of Iranians in Britain is complex, driven by its turbulent history before, during and after the Islamic revolution of 1979.
Furthermore, these figures do not reflect the changes since 2001 brought about by fresh asylum movements in western Europe.
Half of all the people born in Iran living in Britain were resident in London in 2001, indicating the city's importance as a haven for those who fled both the former Shah and his overthrower, the Ayotollah Khomenei.
More recent arrivals of refugees and asylum seekers from the country have been spread far more widely leading to clusters in cities like Newcastle, Sheffield and Glasgow.