1 of 22
Employee Benefit Adviser, in partnership with business intelligence data analytics firm miEdge, lists the top 20 retirement plans for businesses in the United States. The plans are divided between defined benefit plans and 401(k)s.

Plan sponsors include this information in Form 5500 Schedule A data they submit to the Department of Labor. Note: Information provided in these rankings come from DOL Form 5500 filings reported as of Oct. 31, 2017.