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What Shape is your Investment Life Cycle?

April 18th, 2007 at 09:52 am

Some simple scenarios I've run on excel to illustrate various retirement situations that might arise depending on how much one saves, rate of salary increases, ROI, and % of final salary spent each year during retirement. They're only meant as rough indications of how these variables can effect the final outcome.
General assumptions used throughout:
* all figures are in today's $
* all % are real, after-tax rates eg. to get the 5% ROI you'd have to make maybe 10% gross return.
* a $40K starting salary at age 20
* starts working F/T at age 20
* works F/T until retirement at age 65
* salary increases x% pa until age 54, then remains constant
* earns 20% of age-20 salary when 18, 25% of age-20 salary when 19 (eg. casual work)
* saves y% of gross salary each year (ie. any debt repayments student loan/home loan are in addition to this)
* spends p% of final salary each year during retirement phase

The Scenarios

ROI x% y% p% Comments
A 5% 3% 10% 100% "Typical" situation. Comfortable retirement with all NW consumed by age 80.
B 5% 2% 10% 100% Lower rate of salary progression. There is actually a residual NW at age 80
in this case as final salary (and hence pension) is lower as a % of starting
salary and savings in early years were thus relatively higher.
C 5% 3% 15% 100% A "PAW" - saves 15% of gross salary. Has a high NW at age 65 so ends up with a
large residual amount at age 80. Could either leave a large estate, or could
spend more than 100% of final salary during retirement years. (see D below).
D 5% 3% 15% 150% As above, but spends 150% of final salary during the retirement phase.
E 5% 3% 20% 100% "Super Saver" - consistently socks away 20% of gross salary while working.
F 8% 3% 20% 100% High-risk, high-return (8% real ROI), super-saver. This is my model Wink
I can meet the 20% savings target and so far have met the 3% real salary rise
and 8% real ROI hurdles. This is the most uncertain model as it would need
everything to work out in order to achieve 3% real wage rises and 8% real,
after-tax ROI for the next 20 years.







http://enoughwealth.com

1 Responses to “What Shape is your Investment Life Cycle?”

  1. yummy64 Says:

    Very cool. I've run some scenarios on how I'm doing and depending on the assumptions I'm either medicore or great! But I know I'm on the right track with what I'm doing so I just keep chugging along!

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