About 13.6 million people enrolled in Medicaid or the Children’s Health Insurance Program between Oct. 1, 2013 and Aug. 31, 2015, increasing total enrollment in the programs by 23.6% since the start of the first open enrollment period for the Health Insurance Marketplace, according to a report released today by the Centers for Medicare & Medicaid Services. The preliminary estimate is based on 49 states reporting both August enrollment data and baseline data from July through September 2013. More than 71.4 million people were enrolled in Medicaid or CHIP in those states as of Aug. 31, with Medicaid expansion states showing a 30.9% increase and non-expansion states showing a 10.2% increase. The third open enrollment period for the Health Insurance Marketplace begins Nov. 1. Medicaid and CHIP enrollment continues year round.