Healthcare.gov open enrollment ends December 15. Here’s everything you need to know.

The annual open enrollment for people who purchase insurance on Healthcare.gov ends December 15, and so far, enrollment is lagging compared to last year.

Sign-ups on Healthcare.gov, the federally-run marketplace that 39 states use, are down 545,929, or 11.7 percent, from last year with three days left to go, according to data released Wednesday by the Department of Health and Human Services (HHS). Notably, the number of new consumers enrolling dropped by 19.7 percent. So far, about ...