Twice Your Income by 35

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Twice Your Income By 35

I’m not a big fan of the one size fits all style of goal setting, but I couldn’t get away from all the media attention to an article by Market Watch that blew up on social media this week.  The author suggests a target:  Save twice your income by Age 35.  Mayhem ensued.


The Bureau of Labor and Statistics reports an average salary for Ages 20-24 of $27,456 per year.  The average salary for Ages 25-34 is $39,416 per year.  So let’s use the following assumptions:

  1. Start saving at Age 20, taking home $24k per year, or $2000 per month.
  2. At Age 25, you get a raise to $36k per year or $3000 per month and maintain that salary.
  3. You save the same percentage each month towards your retirement goal.
  4. Based on the Market Watch article, your goal is to have twice your income ($72,000) in retirement savings by Age 35.


A)  What savings rate would you need to maintain to reach twice your income by Age 35?

B)  Is the outrage over this article well placed?


Before I started anything, just on intuition, this seems like a hard goal and I’m sympathetic to the roasters on twitter.  So I set up a model with the above assumptions and the target 15% savings rate that is often quoted by financial advisors.  I put an 80/20 stock/bond allocation, but the specific allocation didn’t matter too much over this relatively short time frame.

Figure 1: 15% Savings Rate from Age 20 to Age 35

The above results were a surprise to me!  I thought perhaps there would be a 50-50 chance of reaching the Age 35 savings goal, but instead you’re almost certain to achieve it.

So what’s the 50-50 break even savings rate?  With a little tinkering in the model, I found a savings rate of 10.4% gives you a retirement savings twice your income by Age 35:

Figure 2: A savings rate of 10.4% gives you a 50% chance of reaching the goal


I’m not saying it’s easy, but at least it is clear and straightforward:  If you want to have twice your income saved by Age 35, you need to be saving 10-15% of every paycheck.  The later you start, the more aggressively you’ll need to save. How much sacrifice that savings rate demands depends on your individual circumstances and probably isn’t attainable for those servicing large student loan debts (or a variety of life’s many surprises). But I think paying yourself first with 10% of your paycheck towards retirement is a reasonable goal for which to strive.


A) Somewhere in the range of 10-15%.
B) You’re not gonna believe this, but I have to conclude that maybe, just in this one case, the outrage on twitter is a bit overdone.


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