Editing 401(k) (section)

===Participation===
Offering 401(k)s is not mandatory, so not all employers do so; this means some workers simply cannot benefit from the tax breaks.<ref name="mistake" /> Benefits consultant Ted Benna, who first realized the favorable treatment this section of the tax code afforded defined-contribution plans, has proposed mandating that employers over a certain size offer 401(k)s.<ref name="mistake" />

In 2024, one group of researchers advocated ending the tax break for the 401(k) on the grounds that it did not increase aggregate retirement savings, and using the $200 billion in additional tax revenue to support the government-funded [[Social Security (United States)|Social Security]] program.<ref name="mistake" />