“We expect anyone found not to need our protection or anyone who has no legal right to remain in the UK, to leave the country.
“If they do not leave voluntarily, immigration enforcement staff will seek to enforce their departure.”
Asylum applications in the UK have risen to their highest level in a decade following the European migration crisis.
Overall, the number of cases waiting for a decision has more than doubled between 2010 and 2015 from 11,000 to 26,000.
Rob Whiteman, former head of the UK Border Agency, admitted last month that ministers did not have the “resources or political levers to deport hundreds of thousands of people”.