He is expected to acknowledge that Britain needs to reduce the numbers of low-skilled migrants coming to the country to work.
At a party political broadcast tonight, Mr Miliband will admit that Labour got it wrong the last time they were in power.
He will insist that although immigration is "good for Britain", migration should work for all the country's people, and not just a small minority.
More top news
President Donald Trump confided that his daughter urged him to find a solution.
Theresa May has welcomed passage of her flagship EU Withdrawal Bill through Parliament.
It comes after a report found more than 450 patients had their lives shortened after being prescribed powerful painkillers.