"By year-end 2016, Vanguard said 46% of participants invested in a single target-date fund, 3% had a balanced fund and 4% invested solely in a managed account. Only 17% of participants were invested solely in one of these options in 2007.... 85% of new participants -- those entering a DC plan for the first time last year -- were solely invested in one of the professionally managed investment options."  MORE >>