The open enrollment period for 2016 began on November 1, 2015, and 11.6 million people signed up for an insurance plan through either a state insurance exchange or through healthcare.gov.<ref name="2016a">{{cite web|url=https://www.cms.gov/Newsroom/MediaReleaseDatabase/Fact-sheets/2016-Fact-sheets-items/2016-01-29.html|title=By the Numbers: Open Enrollment|date=2016-01-29|accessdate=February 20, 2016}}</ref> Sixty percent of the people who enrolled in a plan in 2015 and used an exchange in 2016, switched to a different insurance plan.<ref name="2016a"/> | The open enrollment period for 2016 began on November 1, 2015, and 11.6 million people signed up for an insurance plan through either a state insurance exchange or through healthcare.gov.<ref name="2016a">{{cite web|url=https://www.cms.gov/Newsroom/MediaReleaseDatabase/Fact-sheets/2016-Fact-sheets-items/2016-01-29.html|title=By the Numbers: Open Enrollment|date=2016-01-29|accessdate=February 20, 2016}}</ref> Sixty percent of the people who enrolled in a plan in 2015 and used an exchange in 2016, switched to a different insurance plan.<ref name="2016a"/> |