2018 Employer Health Benefits Survey
Section 1: Cost of Health Insurance
The average annual premiums in 2018 are $6,896 for single coverage and $19,616 for family coverage. The average premium for single coverage increased by 3% since 2017 and the average premium for family coverage increased by 5%. The average family premium has increased 55% since 2008 and 20% since 2013. The average family premium for covered workers in small firms (3-199 workers) ($18,739) is significantly lower than average family premiums for workers in large firms (200 or more workers) ($19,972).
This graphing tool allows users to look at changes in premiums and worker contributions for covered workers at different types of firms over time: https://www.kff.org/interactive/premiums-and-worker-contributions/