If you’re on TikTok or Reddit, it’s likely you’ve come across a tenacious rumor: That it’s better to invest in life insurance than a 401(k) for retirement. So, is it true? Life insurance isn't an investment, while a 401(k) is a type of investment account offered through your employer. Permanent life insurance (which offers lifelong coverage) isn't an investment, and its exorbitant fees erode the money you pay into your policy and any earnings you might make for the first decade.

“It was very strange to me that there were so many life insurance salespeople all over TikTok, basically soapboxing about life insurance, like it was the next big thing like it was the most amazing investment on Earth,” says Vivian Tu, founder of Your Rich Bff, a TikTok channel that focuses on financial education, based in Miami Beach, Florida. In some cases, yes. There are some types of life insurance, such as whole life insurance or universal life insurance, that have the ability to increase in cash value.

But how do some of those policies earn money like an investment return? By tracking market indexes. One of the features touted by TikTok influencers is that returns made on insurance policies aren't affected by the overall stock market, but that isn’t necessarily true. The insurance companies may invest in the stock market with part of their portfolio, which is technically a portion of a policy owner's premium.

Though some policies provide fixed returns, some depend on current intere.