For an investor who begins contributing to an investment portfolio at 25, the baseline terminal value at 65 is $528,007. If the annual portfolio return increases to 10% and the savings rate stays at 6%, the portfolio value at 65 soars to nearly $1.4 million. On the other hand, if the savings rate increases to 10% a year and the portfolio return stays at 6%, the ending portfolio value at 65 is $880,012.
Of course, one might suggest that the best of all worlds for a 25-year-old client is to save 10% of income each year and have a portfolio return of 10%. No question about that - the ending portfolio value would be a sweet $2,321,264.
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