Question to the Home Office:

To ask the Secretary of State for the Home Department, what proportion of people arrested for sexual offences were foreign nationals in the last 12 months.

Available data on the age, ethnicity, gender and region of individuals prosecuted and convicted at criminal courts in England and Wales in the Ministry of Justice Outcomes by Offences data tool, can be downloaded from the Criminal Justice Statistics landing page, which is available online here:

Criminal justice statistics - GOV.UK

However, this data is not broken down by nationality or immigration status.