Aon posts its private group exchange enrollment data

Aon Hewitt is reporting that about 600,000 active employees and dependents of active employees actually signed up for major medical coverage through its private employer exchange system for 2014.

Aon Hewitt, an arm of Aon (NYSE:AON), reported two years ago that it was hoping to serve employers with 100,000 plan enrollees through its private exchange program for active employees in 2013. It announced a year ago that it was hoping to serve 600,000 this year.

All of the 18 large employers that used the private exchange program this year will be using it again next year, and rates for those employers will increase an average of about 5.3 percent in 2015, the company says. The company is not yet saying how many people it will enroll in 2015.

Aon Hewitt analysts are predicting that average rates for large self-insured U.S. employers will increase 6.5 percent to 8 percent next year, before taking benefits changes and plan design changes into account.