The 401(k) is limited in its ability to provide guaranteed retirement income

Fees can eat away at your 401(k)

Every investment plan has an expense ratio—a percentage of the total assets that goes to the investment manager in the form of fees. Because 401(k) plans are so common, and many of their participants are not savvy investors, the relative expense ratio for them has often excessively increased.

A 401(k) plan allows workers to save for retirement without paying taxes until later

With a 401(k) plans you can invest more money now and let it grow with compound interest. Americans have more than $7T invested in these types of accounts.

Roughly 70 million Americans have 401(k) plans

Ted Benna, a rural benefits consultant, proposed a reinterpretation of a small tweak to the Internal Revenue Code in 1980. This led to a fundamental transformation of how American workers plan for retirement.

Researchers, experts, and retirees are finding that the 401(k) has left much to be desired

Baby Boomers, once the biggest generation, are now creating the largest wave of retirees in US history. Much of this generation is also the first to retire predominantly on the expectation that their 401(k) plans or similar tax-advantaged accounts performed well in the markets—which isn’t always the case.

The prevalence of 401(k) plans and IRAs over pensions shifted investment risk from employers to employees

The shift also reduced administrative costs for companies—and left millions without guaranteed retirement income. 401(k) plans were introduced in Section 401(k) of the 1978 Revenue Act, which was originally intended as a loophole for people like executives rather than the average employee.

401(k) plans had an average of $112K as of 2023

The median, however, is much lower at around $27K. The average balance of a 401(k) in the US differs across different age groups and income levels.

What is a 401(k)?

Should you get a 401(k)? To make sense of this obscure piece of tax code, here’s a beginner’s guide to one of the more common forms of retirement savings in the US. Learn the history of the 401(k), how to sign up for one, the different types, and more in this well-organized and concise explainer from Investopedia.

Ted Benna is the father of the 401(k)

It took a benefits consultant to highlight the financial power of a subtle, obscure tax code change buried away in Section 401, subsection k of the Internal Revenue Code. Benna realized this section, designed primarily for high-earning corporate executives, could help workers save money on taxes when preparing for retirement.

Explore the key differences between 401(k) plans and IRAs

A 401(k) is employer-sponsored, may include matching contributions, and allows higher annual contributions (up to $23,000). An IRA is self-managed, offers greater control over investments, and has lower contribution limits ($7,000). Both plans come in traditional and Roth options, but income caps may limit IRA choices, while 401(k)s have no such restrictions.

Having two retirement accounts has its pros and cons

Contributing to both an IRA and a 401(k) lets you increase your retirement savings by about 30% every year. However, you’ll also spend more time actively investing that money and pay more in fees.

Smart tips for making the most of your 401(k)

There’s a lot of advice about handling a 401(k), but it can be mired in disclaimers and legalese. Come prepared to your financial advisor or accountant by watching this informative take on how to properly use a 401(k), from consolidating plans to some of the most common errors.

Only half of American workers have retirement accounts at their current jobs

Most American retirement accounts are not nearly funded enough to support people living longer, healthier lives. Get the details on five individuals at different stages of life and hear how they’ve saved—or not—while expert Theresa Ghilarducci explains the current weaknesses of the retirement regime in America.

The scope of 529 plans has expanded, but 529s still have some drawbacks

The tax-advantaged accounts can be used to pay for K-12 education, apprenticeship programs, and student loans, in addition to their original purpose: paying for college. But 529s have downsides, such as fees and penalties for non-qualified uses.

The financial crisis in 2008 had a major impact on many 401(k) plans

Amid the 2008 financial crisis, stocks and bonds cratered as the broader market floundered due to the subprime mortgage crisis. Investors with so-called "target-date" funds—which shift allocations based on the maturation of a fund—shared in the slump, with some funds declining by 20% or more just a year or two away from maturation.

Read about the situations where a high-yield savings account doesn't make sense

While financial experts often recommend high-yield savings accounts, one expert argues that prioritizing adding more money to one doesn't make sense for someone who has a lot of high-interest debt or isn't taking advantage of their company's 401(k) match.

While annuities can guarantee an income for risk-averse investors, they may play it too safe for others

Whether or not an annuity is the right investment option depends on the buyer’s unique needs. People who plan to retire soon are more likely to opt for the lower-risk investment, but there may be opportunity costs for people seeking higher returns.

Social Security trust funds are expected to be unable to pay full benefits by 2035

Most US workers have 6.2% of their gross paycheck taken out for Social Security. The government requires employers to match that 6.2% as well, for a total of 12.4%. This video dives into the specifics of how Social Security functions from a financial perspective.

Some politicians have argued that Social Security should be privatized

Specifically, some assert that diverting funds into self-directed retirement accounts should replace Social Security taxes and benefits to some extent in a privatized retirement savings system. This article details the pros and cons of privatizing Social Security.

Individual income taxes are the federal government's primary revenue source, see a tracker that breaks down where the rest of the budget comes from

The US government historically makes nearly half of its total revenue last year from individual income taxes. But the US makes also makes money from a variety of other sources, including Medicare taxes and corporate income taxes. However, the federal government has run a deficit since 2001—reaching a peak of $3.13T in 2020.

Many 'cheap' retirement destinations contain hidden costs

Considering factors outside of housing and state income tax is crucial when thinking of an inexpensive place to retire. High energy bills, grocery tax, and insurance premiums are just a few things to look out for when picking where to live.

Retail investors are getting burned by long/short strategies

In the US, many retail investors lack the SEC-mandated status (a high enough net worth, income, and other factors) to directly invest in hedge funds. The regulator considers hedge funds too risky for the masses. Hedge fund-like strategies have emerged as a workaround, despite potential pitfalls.

CDs come with risks, such as penalties for early withdrawal and inflation

CDs are generally considered fairly safe investment options. A CD bought via a federally insured bank is insured up to $250K.

What is the 240 paychecks retirement rule?

Many people think about the large sum of money they'll require to retire comfortably. It can be intimidating. The 240 retirement method breaks that thinking down into paychecks. Specifically, the framework argues that the average retiree will need 240 paychecks to retire. Learn more here.

Some policymakers take issue with long-term capital gains being taxed at a preferential rate compared to income from paid work

The concept of taxing unrealized capital gains—when an asset’s value increases but has yet to be sold—has been increasingly debated. Other policymakers in recent years have supported lowering the highest long-term capital gains tax rate and are generally opposed to levying taxes on unrealized capital gains.

Read why the information Americans have about our tax system might be misleading

For many, filing taxes can be complicated and overwhelming. Some argue that the tax system obscures certain aspects of the US tax code, making it difficult for taxpayers to accurately assess potential reforms.

Hedge funds, the private investment firms that trade a wide swath of financial assets, make money by imposing steep fees on investors and from the fund's investment performance.

Calculate how much of your tax dollars go to each federal program based on your income, filing status, and number of children

Despite being favored by 87% of Americans, Congress does not have term limits.

The price of gas is a composite made up of several different factors, with the federal gas tax making up less than 20% of what drivers pay at the pump.

US consumers collectively owe more than $1T to credit card companies—almost as much as they owe in auto loans.

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.

About 2,000 US babies are born annually without some portion of their limbs, potentially leading to a lifetime of pricey prosthetics.

SpaceX's S-1 or 'prospectus' revealed many previously unknown details about the company, including its unprofitability despite doing $18.7B in revenue in 2025, exactly how many voting shares Elon Musk will have in the company (roughly 85%), and more.

Dozens of S&P 500 stocks, including Coca-Cola and Walmart—known as the dividend aristocrats—have increased dividends every year for 25 years

US housing costs have risen by roughly 175% between 1991 and 2026—but a growing number of Gen Zers are becoming homeowners anyway. In 2025, 4% of homebuyers were Gen Z, up from 3% the year before.

The idea for the Federal Reserve was conceived in secret in 1910—with bankers donning duck hunt gear for disguise while traveling to a remote country club on Georgia's Jekyll Island

Warren Buffett's former professor Benjamin Graham is known as the 'father of value investing,' a strategy in which investors seek to buy stocks trading below their intrinsic worth.

Art theft is the third-largest source of criminal revenues worldwide, thanks in part to the subjective nature of valuing a work of art.

Indefinite cloning of some endangered species may not sustain their longevity because cloning success rates decrease as genetic mutations accumulate.

Some renewable energy sources may weaken the resiliency of electric grids by removing outage buffers provided by coal- and natural gas-fired plants, which provide the system with more time to find a new power source if a plant goes down.

Up to a million Girl Scouts sell about 200 million cookie boxes every spring, generating $800 million, largely because refusing a child is frowned upon

Fireworks-related ER visits are on the rise—in 2024, they increased by 52% as compared to the prior year.

A Yale student wrote a profound essay about the consulting industry's influence on elite college students that was published in a book of her writing after she died in a post-graduation car accident.

Mark Twain spent decades feuding with the US Postal Service, convinced its costs and regulations were bureaucratic overreach.

Apeirophobia is an overwhelming fear of living forever, perhaps stemming from the brain's inability to conceptualize an infinite life.

Listen to an in-depth conversation on the links between Parkinson's disease and herbicide exposure and the challenging pace of scientific investigation.

Sears sold DIY house kits starting at $600 in its famous catalog from 1908 through the 1940s, resulting in roughly 10,000 'Sears and Roebuck houses' being built.

According to the physics of black holes, our 4D reality may be a hologram—a projection of information coded on a 2D surface on the edge of the universe.

Iran's Revolutionary Guard Corps is independent of Iran's regular army and is one of the most powerful and influential military-political organizations in the Middle East.

When you complete a CAPTCHA on a website to prove you are human, you may be unknowingly training algorithms for self-driving cars, whose systems require training data to help identify crosswalks, bicycles, and other outdoor objects.