Multiemployer Defined Benefit (DB) Pension Plans: A Primer and Analysis of Policy Options

Multiemployer defined benefit (DB) pension plans are pensions sponsored by more than one employer and maintained as part of a collective bargaining agreement. About 3.2% of all DB pension plans, covering 25% of all DB pension plan participants, are multiemployer plans. Nearly all of the remaining DB pension plans are maintained by a single employer. A few DB pension plans are maintained by more than one employer but are not maintained under a collective bargaining agreement. In DB pension p...