Financial experts increasingly argue that investment goals, expected returns and time horizons play a far bigger role in portfolio construction than age alone. According to reports from The Economic Times, asset allocation within a goal-based investment framework should primarily depend on the return required to achieve a financial target rather than the investor's age. The popular '100 minus age' formula, which suggests reducing equity exposure as investors grow older, remains widely used but faces criticism for overlooking several important variables that shape financial outcomes.
Consider two individuals, one aged 30 and the other aged 45, both planning to purchase a house 10 years later. As reported by The Economic Times, the time horizon remains identical for both investors. Asset allocation depends on the same three factors: the investment period, the target amount required and the monthly savings dedicated to the goal. Age itself does not directly alter the allocation process, with the younger individual potentially requiring a higher target amount or saving less than the older investor, which could lead to a higher allocation towards equities.
The widely followed '100 minus age' rule, which suggests two investors aged 30 would each allocate 70 per cent of their portfolios to equities, assumes that individuals of the same age share identical financial circumstances. According to The Economic Times, this formula does not account for differences in income stability, savings capacity or employment conditions. Financial circumstances can vary substantially even among people of the same age, with one investor receiving a stable salary while another relies heavily on variable pay, or one person working in a secure profession while another is employed in a cyclical private-sector industry.
Income stability and employment conditions can influence investment decisions far more than age alone, suggesting that asset allocation should reflect individual financial realities rather than a fixed age-based formula. As reported by The Economic Times, another limitation of age-based rules is that they often ignore the finite time horizon associated with specific financial goals. Investments made for buying a home, funding education or meeting other objectives are typically linked to clear deadlines, with the required return to meet those targets becoming the primary consideration.
