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Are you Saving Enough for Retirement?

Written by Nickel - 6 Comments

It goes without saying that an incredibly important aspect of saving for retirement is figuring out how much you’ll need. The problem here is that it’s tough to accurately predict how much you’ll need when there’s no good way of predicting how long you’ll live. Thus, it’s probably best to err on the side of caution, and to over-prepare for retirement. But here again we run into a similar quandary… How can we over-prepare if we don’t have a good idea of what it takes to be properly prepared. Hmmm… Let’s start by figuring out how long we can expect to live…

Our first stop is the University of Pennsylvania’s Life Expectancy Calculator. Go ahead and run down the list and answer everything to the best of your abilities — don’t worry, I’ll wait… Next hit the ‘Calculate Life Expectancy’ button and… Voila! You’ll receive an estimate of how long you’re expected to live. Interestingly, this calculator not only gives you a point estimate of your life expectancy, but it also provides an idea of the precision of this estimate in the form of upper and lower quartile values. In my case, I have a life expectancy of 84.38 years with a lower quartile value of 77.12 years and an upper quartile of 94.48. (Of course, I might also drop dead tomorrow. Or maybe I’ll beat the odds and live to 100.)

Now that we have a rough life expectancy to work with, lets head on over to the Retirement Planner from Dinkytown.net. This is a cool little tool that lets you specify a variety of parameters, including current age, existing retirement assets, income, expected rate of income increase, retirement savings rate (go ahead and include your company match), expected investment performance (both before and after retirement), expected inflation rate, and the percent of your income that you wish to receive in retirement. They even let you include/exclude Social Security when running these calculations.

When I plugged in my particulars (age, income, existing assets, and percent savings), but otherwise left the default values in place, I found out that I won’t run out of money until age 100. And that was without Social Security. Adding in Social Security sends my retirement savings off the chart (there’s a minor inflection at retirement, but otherwise it just keeps on growing).

But who wants to work until full retirement age? Not me. So what happens if I reduce the retirement age by just three years? Wow. It has a huge effect. If I retire at age 62, I’ll run out of money at age 85 (that number increases to 97 with Social Security). Time to get cracking on those retirement contributions!

Obviously, these sorts of calculations are only as good as the assumptions upon which they’re based. In other words, you shouldn’t take anything like this as gospel — but it can be an informative exercise.

So… What’s your life expectancy?

And… Will your retirement savings plan be sufficient?

Published on August 8th, 2006
Modified on May 27th, 2009 - 6 Comments
Filed under: Planning, Retirement, Saving & Investing

About the author: is the founder and editor-in-chief of this site. He's a thirty-something family man who has been writing about personal finance since 2005, and guess what? He's on Twitter!

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6 Responses to “Are you Saving Enough for Retirement?”

  1. 1
    the Prince of Thrift Says:

    Life Expectancy: 80.27
    Lower Quartile : 72.74
    Median Lifetime: 81.96
    Upper Quartile : 89.26

    As you can see with my life expectancy and with what will probably be retirement age by the time I get to retirement…I will have already died or will only a few years to live…if everything is correct.

  2. 2
    mapgirl Says:

    WOW. Very interesting. Quite an eye opener.

  3. 3
    Blaine Moore Says:

    88 median life expectancy. I’ll take it…as long as I am still able to run (no matter how slowly)

  4. 4
    Matt Says:

    Actually, I don’t intend to retire. I figure, if I don’t like the work I do enough to want to keep doing it regardless of how old or wealthy I am, then that’s a sign I’m already doing something wrong.

    Doesn’t mean I’m not investing for the future, though.

    The problem with these calculators is that so many factors depend on what happens in 2018 when it stops being possible to deny that Social Security is bankrupt. Does the government raise taxes, and thus drastically cut the income available to be diverted into savings? Do they try to monetize the debt, and the inflation rate goes from a sane number in the single digits to something like 75% as the dollar collapses? Just how much of the economy will be destroyed? Will Medicare be funded (making healthcare investments very safe ones) or killed (making them among the worst possible places to have money)?

    Honestly, with all the uncertainty involved in planning that far out even if our massive scheme of intergenerational robbery _weren’t_ about to collapse, the notion of “retirement planning” any more specific than “save as much as you can, as diversely as you can, at as good a rate of return as you can get, and pray the politicians don’t steal it all” seems like folly.

  5. 5
    jtc Says:

    For anyone under the age of 30… go ahead and do the calculations without Social Security.

    To do otherwise is dangerous.

  6. 6
    Jim Richmond Says:

    The dinkytown calculators are cool, but for long range planning you really need to use a planner that takes portfolio volatility into account rather than assuming a steady return each year.

    These more sophisticated calculators use either historical market data or Monte Carlo simulation to take volatility into account.

    A couple of good ones are

    http://www.flexibleRetirementPlanner.com

    http://www.FIRECalc.com

    They are both free and run inside your web browser. Try these with the same inputs you used on the dinkytown calculator and notice the difference.

    Jim

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