Trump vows to deport up to three million immigrants 'immediately'

US president-elect Donald Trump has said he will deport two to three million undocumented immigrants "immediately" upon taking office in January.

The comments from Donald Trump were due to be aired later on Sunday in an interview with 60 Minutes.

"What we are going to do is get the people that are criminal and have criminal records, gang members, drug dealers, where a lot of these people, probably two million – it could be even three million – we are getting them out of the country or we are going to incarcerate," Trump said.

"But we’re getting them out of the country, they’re here illegally."