Thirty years ago Congress enacted protections to ensure that participants in multiemployer pension plans received their promised benefits. These defined benefit plans are created by collective bargaining agree. covering more than one employer. Today, these plans provide pension coverage to over 10.4 million participants in approx. 1,500 multiemployer plans insured by the Pension Benefit Guaranty Corp. (PBGC). This report examines: (1) the current status of nation's multiemployer plans; (2) steps PBGC takes to monitor the health of these plans; (3) the structure of multiemployer plans in other countries; and (4) statutory and regulatory changes that could help plans provide participants with the benefits they are due. Illus. This is a print on demand report.