Financial Security: Index Universal Life Insurance vs. 401(k) When comparing index universal life insurance vs. 401(k), financial security is a key factor. A 401(k) offers long-term retirement savings but lacks guarantees against market losses. In contrast, an IUL ensures financial protection through a death benefit while providing cash value that can grow without direct exposure to ... https://www.federalpensionadvisors.com/post/iul-vs-401k