There are a number of different goals for older Americans with their retirement savings. Their main goal is always to make it last.

A recent study by the Center for Retirement Research at Boston College found that younger baby boomers who don't have access to a traditional pension could outlive their 401(k) funds.

Those with traditional pensions had slower drawdown speeds than those with only 401(k) accounts. The majority of people fall into the latter category when it comes to researching how long retirees' money lasts.

Personal finance says that inflation forces older Americans to make tough financial choices.

According to Gal Wettstein, a senior research economist at the Center for Retirement Research at Boston College, most people have had the chance to observe people with traditional pensions.

Retirees with pensions often don't spend their savings at all. Many saw their eggs grow after they stopped working.

A false sense of security might be given by this sanguine idea from the past.

Traditional pensions have been hard to get for decades. The 401(k) plan is the poster child for how to save for your later years on your own.

The plans deplete more quickly than expected.

Households who entered retirement with $200,000 in savings were analyzed. According to their analysis, by age 70, retirees who had a 401(k) plan but no pension had $28,000 less than retirees with a pension. Savers in the 401(k) had less money by age 75 than those who had a pension.

When people have a 401(k) they spend a lot of their money.

The study said that many retirees who depend on 401(k) accounts may be at risk of exhausting their funds entirely by the age of 85.

Wettstein said that Social Security checks are usually not enough to replace career-level earnings.

Wettstein said that more needs to be known about why retirees spend down their 401(k) accounts so quickly.

Some of the reasons can be deduced. People who had a traditional pension, which guaranteed a fixed payment each month until death, needed to turn to their savings less because of that reliable income. It is possible that they were able to keep their savings for inheritance purposes.

We did this as a first look of whether we should be worried.

Retirees without a pension rely on their own nest egg to cover a lot of their expenses. Without a pension, people are responsible for making sure they have enough money in the bank to last the rest of their lives, a task that requires decades of adequate earnings and discipline.

Retirees are charged with figuring out how much to withdraw each month from their 401(k) savings plan. This calculation can be hard to hit right, and although those with sizeable savings aim to live off their moneys earnings, the market is unpredictable and has periods where it takes more than it gives.

One of the advantages of the pension system was that it reassured you how much you could afford to spend, practically, in that it would never run out, and in the advice-sense, as well, because it says, 'Here, you can spend this much, because next month, A 401(k) isn't a good one.

Wettstein said that it is still early to know how successful 401(k) accounts are.

We did this to see if we should be concerned. We concluded that we should.

The Gerontological Society of America, The Journalists Network on Generations and the Silver Century Foundation supported the writing of this article.