Sources: Various actuarial valuation reports and websites of state legislatures; National Association of State Retirement Administrators (2013); and Munnell (2012).
*Utah, which offers employees a choice between a hybrid and a defined contribution plan, is classified as mandatory hybrid, because employees are required to have some defined contribution plan. Ohio PERS and STRS, which offer a choice of defined contribution, hybrid, or defined benefit, are classified as optional defined contribution since employers are not required to have any defined contribution plan.