This study updates the estimated funded status of all U.S. multiemployer plans as of June 30, 2017, showing the change in funding levels from December 31, 2016. Multiemployer plan funding as of June 30, 2017, is nearing its best position since the market collapse of 2008. The aggregate funded percentage for multiemployer plans is estimated to have improved to 81% as of June 30, 2017, compared with 77% as of December 31, 2016, reducing the system’s shortfall by $21 billion.