MORE than 60,000 migrants have no right to be in the country, a damning leaked Government report reveals.

The Sun has obtained an unpublished watchdog report exposing the scale of .

Graduates in black robes throwing mortarboards skyward during commencement ceremony.The Sun has obtained an unpublished watchdog report exposing the scale of visa overstayers Shabana Mahmood, Secretary of State for the Home Department, smiling as she leaves 10 Downing Street.Home Secretary Shabana Mahmood is due to announce a major new Immigration and Asylum Bill within days Credit: Getty

The report found had identified 62,675 “possible overstayers” as of last July.

It covers people suspected of staying in Britain after their visas expired.

All were in Immigration Enforcement’s active caseload, meaning the had some form of contact with them within the previous two years.

Inspectors warned officials do not know the true number as the Home Office does not keep official figures.

Instead, they rely on internal databases and estimates to identify those who may still be here without permission.

The watchdog also uncovered a backlog of 89,000 work visa cancellation cases.

Some were taking up to seven months to process.

The findings are contained in an unpublished report by the Independent Chief Inspector of Borders and Immigration, which examined the system between March and October 2025.

Inspectors were warned that migrants who stay in the country for years can become harder to deport as they are more likely to be able to use Article 8 claims to fight their removal.

Home Secretary is due to announce a major new Immigration and Asylum Bill within days.

She is also set to double Immigration Enforcement funding to £1.3billion by 2028-29.