More than 500,000 has already submitted their application to purchase insurance under the Affordable Care Act on healthcare.gov according to U.S. Department of Health and Human Services.
Department spokesman Benjamin Wakana said that 250,000 applications were sent in the first 48 hours.
Enrollment for 2016 opened on November 1, 2015 throughout the country. They want to see if the number of uninsured people will drop. 28.5 million people in the US are still uninsured according to the U.S. Centers for Disease Control's National Center for Health Statistics.
Texas topped the states with the most number of uninsured (20% or about 5 million people), followed by Alaska (17.2%), Florida (16.6%), Georgia (15.8%) and Oklahoma (15.4%).
Enrollment will continue up to January 31, 2015. Federal officials urge people to consider enrolling early or by mid-December to ensure uninterrupted coverage.