Most South Africans either guess at their cover amount or accept whatever their employer provides. Here is a practical framework for calculating how much life insurance you actually need.
One of the most common questions we hear at WB Financial Planning is: 'How much life insurance do I actually need?' Most people either guess, accept the default cover offered by their employer's group scheme, or buy the cheapest policy they can find. None of these approaches is likely to leave your family adequately protected. This guide walks you through a practical framework for calculating the right cover amount for your situation.
Start with the income-replacement rule. The most widely used starting point is the income-replacement method: multiply your annual gross income by a factor of 10 to 15. So if you earn R600 000 per year, your starting point is R6 million to R9 million in cover. The logic is that your family should be able to invest the lump sum and draw an income from it indefinitely, without depleting the capital. At a conservative 7% annual return, R6 million generates R420 000 per year — roughly equivalent to your current income. This is a starting point, not a final answer. Your actual needs depend on several additional factors.
Add your outstanding debt. Your life insurance should, at minimum, clear all outstanding debt so your family is not left servicing a bond, car finance, or personal loans on a reduced income. Add up your home loan balance, vehicle finance, credit card debt, and any other liabilities. If your bond balance is R1.8 million and your other debts total R400 000, add R2.2 million to your income-replacement figure.
Factor in your dependants' future needs. If you have children, consider the cost of their education from their current age through to university graduation. A conservative estimate for private schooling and a three-year degree at a South African university currently runs to R1.5 million to R2.5 million per child, depending on the institutions involved. If you have a spouse or partner who does not work, or who earns significantly less than you, factor in the cost of replacing the domestic and childcare contributions you currently make — these have real financial value even if they are not reflected in a salary.
Account for final expenses and estate costs. Funeral costs in South Africa range from R15 000 for a basic cremation to R80 000 or more for a full burial. Executor's fees on your estate are typically 3.5% plus VAT of the gross estate value — on a R5 million estate, that is R199 500. If your estate includes illiquid assets like property or a business interest, your heirs may need cash to cover these costs without being forced to sell assets at a discount. A liquidity buffer of R200 000 to R500 000 is a reasonable addition to your cover calculation.
Subtract your existing assets. Once you have a gross cover figure, subtract the assets your family could realistically access: savings and investments, existing life policies (including group cover), and any other liquid assets. If you have R800 000 in a retirement annuity and R200 000 in a TFSA, and your group life cover pays out R1.5 million, subtract R2.5 million from your gross figure. The result is your net cover shortfall — the amount of additional life insurance you need.
A worked example. Warren earns R720 000 per year, has a R2.1 million bond, two children aged 8 and 11, and a spouse who works part-time. His income-replacement figure is R7.2 million (10x). Add R2.1 million for the bond, R2 million for two children's education, and R300 000 for final expenses and estate costs — a gross figure of R11.6 million. He has R600 000 in savings and R1.2 million in group life cover. His net shortfall is R9.8 million. His current personal life policy covers R4 million. He is underinsured by approximately R5.8 million.
Review your cover regularly. Your cover needs change every time your life does. A new child, a salary increase, a larger bond, or a career change can all shift your requirements significantly. As a rule of thumb, review your life insurance every two to three years, or immediately after any major life event. If you are not sure where you stand, a free life insurance review with an independent advisor is the most efficient way to find out. Book your free review at WB Financial Planning — no cost, no obligation, just clarity. Claim your free review: wbfinancial.solutions/lp/life-insurance-review
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