From the summary:
The majority of nonelderly people get their health coverage through an employer-based plan. This issue brief uses data from the National Health Interview Survey (NHIS) to examine trends in employer-sponsored health insurance (ESI) for different types of people and households.1 While ESI remains the leading source of coverage for nonelderly people (those under age 65), the percentage covered by an employer plan has declined over the last fifteen years. A similar pattern exists with firm offer rates; fewer workers were offered health insurance from their employer in 2014 than in 1999. The decrease in offer and coverage rates has not been universal; families with low and modest incomes have been most affected by the decline. While coverage rates have declined over time, the percentage of the nonelderly population covered by ESI is similar between 2013 and 2014.
Both the percentage of employers who offer insurance and the percentage of people covered will be important to watch as the changes brought about by the Affordable Care Act (ACA) continue to unfold. New coverage provisions and financial assistance provided in the ACA affect employers’ decision to offer coverage and employees’ decisions to take up any coverage they are offered at work. The employer shared responsibility provision, for example, requires employers with 50 or more full-time equivalent employees to offer coverage to full-time employees and their dependent children or face a financial penalty. This provision should tend to expand the number of workers offered coverage in these firms, and, because most individuals are required to have health insurance or pay a penalty (the individual responsibility provision), more workers may take up the coverage offered at work. At the same time, new coverage options and financial assistance available through health insurance marketplaces may encourage some small employers (who are exempt from the employer shared responsibility provisions) to stop offering health benefits if they feel that their employees would be better off getting coverage through the marketplaces.2 Larger employers may also reconsider who they offer coverage to; some may stop offering coverage to part-time workers so those workers are eligible to receive a subsidy on the marketplaces. The percentage of people who received coverage through an employer sponsored plan in 2014 remained similar to the coverage rates in 2010, the year of the ACA’s passage.