The best way to become wealthy is to start young because your money has more time to compound. $10,000 deposited into your baby’s trust fund, earning 10% per year, would grow to $18,621,820 by the time your son or daughter was Warren Buffett’s age. – About.com
Now I am almost certain non of you readers are quite that young, but it is certainly something to think about. However, the goal of this post is to realistically show you what a huge difference a few years head-start could make when it comes to investing your money and reaping it’s rewards. Before I begin, for these of you who are not familiar with the Rule of 72, I would suggest you look at a post I made that quickly explains how it works, as I will be basing all my calculations with that rule for simplicity.
Starting Young
So lets say we have a boy, we’ll call him Little Bobby and he starts investing now at 18, how much of a difference can it really make compared to Big Ben who also starts investing but is already 24 years old. Assuming each person invest a sum of $10,000 at respectable growth rate of 12%. Using the Rule of 72, this means that the amount will double every 6 years. Lets compare the results.
| Age | Little Bobby | Big Ben |
| 18 | $10,000 | |
| 24 | $20,000 | $10,000 |
| 30 | $40,000 | $20,000 |
| 36 | $80,000 | $40,000 |
| 42 | $160,000 | $80,000 |
| 48 | $320,000 | $160,000 |
| 54 | $640,000 | $320,000 |
As you can see, starting earlier meant Little Bobby gets to have their money doubled one extra time, earning him a whopping $320,000 more than Big Ben who started at 24. Another amazing fact about this table is that in the last 6 years of Little Bobby’s investment, he made $320,000, which is MORE than the $310,000 it increased in total in the first 30 years!
Now some of you might think 54 is rather old, but consider this. Scientists believe that, in just our generation, with the rate we are making scientific breakthroughs, reaching the age of 90 will be an common occurance, which means that when you retire at 54, you still have a good 36 years of living left to do! Now assuming Little Bobby decided to wait until his 60th Birthday to spend the money, he will now have $1,280,000. Who said you can’t be a millionaire? Little Bobby did it with only $10,000, and without a single drop of sweat.
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A better investment
Now let’s assume Little Bobby has done his homework and found a few nice opportunities to invest in, achieving an above average (but not unrealistic) rate of growth of 18%, meaning their money will double every 4 years, let’s see how that plays out.
| Age | Little Bobby |
| 18 | $10,000 |
| 22 | $20,000 |
| 26 | $40,000 |
| 30 | $80,000 |
| 34 | $160,000 |
| 38 | $320,000 |
| 42 | $640,000 |
| 46 | $1,280,000 |
| 50 | $2,560,000 |
| 54 | $5,120,000 |
| 58 | $10,240,000 |
$10 million dollars from a single investment of $10,000 when you were 18, the only research you will be doing in retirement is how-to spend your money!
More money in, way more money out.
For our final showdown, we have again Little Bobby, but this time he is more motivated than ever to become successful. He decides to invest $10,000 into his investment account every year for the first 4 years. Our challenger this time is Old Johnny. He is a 30 year old salary worker who makes a decent amount of money every year and has lived a pretty comfortable life so far. Old Johnny now feels the urge to invest his money, he hypothesis that since he has more money than Little Bobby, he could catch up on the lost years by putting in some extra money. He decides to double Little Bobby’s investment and puts in $20,000 every year, until he catches up. Let’s see how that works out shall we!
| Age | Little Bobby | Old Johnny |
| 18 | $10,000 | |
| 22 | $60,000 (+$40,000) | |
| 26 | $120,000 | |
| 30 | $240,000 | $20,000 |
| 34 | $480,000 | $120,000 ($40,000 + $80,000) |
| 38 | $960,000 | $320,000 ($240,000 + $80,000) |
| 42 | $1,920,000 | $720,000 ($640,000 + $80,000) |
| 46 | $3,840,000 | $1,520,000 ($1,440,000 + $80,000) |
| 50 | $7,680,000 | $3,120,000 ($3,040,000 + $80,000) |
| 54 | $15,360,000 | $6,320,000 ($6,240,000 + $80,000) |
| 58 | $30,720,000 | $12,720,000 ($12,640,000 + $80,000) |
Total Amount Invested:
Little Bobby: $50,000
Old Johnny: $560,000
Speechless? Little Bobby put in an extra $40,000 in the first 5 years, and he got more than $20,000,000 more at retirement for his troubles. But what is more amazing and have bigger implications is that although Old Johnny was doubling what Little Bobby was investing, and kept it up long after Little Bobby stopped, he was still $18,000,000 short compared to Little Bobby’s retirement. Not to mention the fact that Little Johnny invested in $560,000 of his own money!
Conclusion
I want to conclude this post with the fact that, although Old Johnny started late, he kept at it, and still ended up with a very large some of money ($12 million) when he retired. So the moral of the post is, it’s great to start young, but it’s never ever too late to start investing, as long as you start now!

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This is very interesting information.
$10,000 turning into $18+ million is pretty cool and at only 10% a year.
Indeed! It’s very amazing, but the trick is to start now
How to get 10% a year in profits with 10,000?
G’day William, I’m just having a poke around your blog now, and I have to say I’m impressed. Not only is the blog sharp, and your writing clear and informative, you really know your stuff. You’re obviously a very ambitious young man, and I wish you every success. I wish I’d had my head screwed on like you when I was your age.
Keep at it. I’ll be back to see what other pearls of wisdom I can gather from someone half my age
What a great article! And what an amazing difference starting early makes to your retirement! I think the hardest part is investing now, nowing that you won’t see a piece of that money until 30-40 years later!
Nice article. Do you think you could do a followup post on good places to invest with good interest rates?
Thanks!
I will work on it
I have been getting a few requests! Thanks for the feedback Omer.
Awww…to be young again and to know then what I know now!
I’m starting out late, but hey, it’s never ever too late to start investing!
TVM is a wonderful thing! I’m trying to get my son to understand the concept.
That is a very good idea. I’m 19 and want to start investing now, but what do I do? I don’t know how to invest, check my credit, or do many adult-y things. I barely know what it means and I’ve taken a number of business classes :-/
RT http://twitter.com/yeahww/status/91138457501581312
Great article!!
It’s too late for me but I can teach my kids to start earning as early as possible.
If only I could turn back the clock! I will certainly teach my kids to start young.
veronica lee recently posted..Mochimochiland
Great article about the value of compounding, but your return rates are way too exaggerated. David Swensen, who handles Yale’s endowment, has averaged an unheard of 16% return. To say it’s not unrealistic to average 18% return over 30 years is preposterous.