President Obama announced that six million people have now enrolled for healthcare coverage through healthcare.gov. (Video: AP)

Nearly 6 million Americans so far have enrolled in insurance for 2016 through HealthCare.gov, President Obama announced on Friday, touting a big increase over last year that he said shows the Affordable Care Act is succeeding.

The number who have already signed up on the federal insurance exchange compares with 3.4 million at the same stage a year ago and comes at a significant moment in the ACA’s enrollment cycle: the deadline for people who want health plans in place starting on New Year’s Day. The figures also show that 2.4 million of the current total are new customers, about a third more than at this point last year.