The cost and the extent of coverage of health insurance remains a top concern for health policymakers. Both the percentage and number of people with health insurance increased in 2011, to 84.3 percent and 260.2 million. Average annual premiums for employer-sponsored family health coverage reached $15,745, up 4 percent from 2010, with workers on average paying $4,316 toward the cost of their coverage, With Health Benefit Exchanges or Marketplaces open for business as of October 1, 2013 these figures are projected to change significantly. NCSL has reports that describe health insurance costs and coverage, both commercial market and the new Exchanges / Marketplaces. .