Retirement
Retirement planning is two numbers: what the corpus has to be, and what you can safely take out of it each year.
Retirement planning is two numbers: how large the corpus has to be, and what proportion of it can be withdrawn each year without exhausting it. Everything else — asset allocation, product selection, account choice — is in service of those two, and both are more sensitive to their assumptions than most planning admits.
The corpus number is built from expenses rather than income, which is the correction that most changes the answer. Someone who saves a third of their income needs to replace what they spend, not what they earn, and the difference is frequently a crore or more in the target.
The withdrawal rate is where imported rules of thumb do the most damage. The 4% rule is a finding about historical US market data, and India differs on inflation, on return history and on the tax treatment of withdrawals. Rather than substituting a different single number, these guides treat the rate as a variable to test — because the spread across reasonable assumptions is the honest output.
Key terms
- Retirement corpus
- The invested capital that funds retirement spending. Sized as the annual need at the retirement date divided by a sustainable withdrawal rate, which means both the inflation assumption and the rate assumption drive the answer.
- Safe withdrawal rate
- The proportion of the starting corpus withdrawn in year one, then raised annually with inflation, that would not exhaust the portfolio over the planning horizon. An empirical estimate under stated conditions, never a guarantee.
- Sequence-of-returns risk
- The risk that poor returns early in retirement force selling at low prices to fund living costs, permanently reducing the base that later recovery applies to. Irrelevant while accumulating and decisive once withdrawing.
- Replacement ratio
- Retirement income as a proportion of pre-retirement income. A widely quoted planning shortcut and a poor one, because it anchors on income when the thing being funded is expenditure.
Frequently asked questions
How much do I need to retire?
Take your annual expenses in today's money, adjust for what stops and starts in retirement, inflate to your retirement date, subtract any continuing income, and divide by a withdrawal rate you consider sustainable. Every step is arithmetic; the two assumptions that matter are inflation and the withdrawal rate, and both deserve to be run at more than one value.
Is the 4% rule reliable in India?
It is a useful frame and a poor direct import. It came from historical US data with lower inflation, a different return series and different tax treatment of withdrawals. Most careful Indian planning uses something more conservative — but the more useful discipline is to run the plan at several rates and see how much the target moves, which is usually a great deal.
When should I start planning for retirement?
The corpus arithmetic is worth doing at any age, and the earlier it is done the smaller the required monthly contribution — dramatically so, because the final years of compounding do a disproportionate share of the work. Starting at forty is not too late; it simply requires a much larger instalment for the same target, which the calculation will show you.
Does EPF cover retirement on its own?
For most people, no, though it is a substantial foundation and should be counted before deciding what else is needed. Subtract the projected value of existing retirement accounts from the target and solve for the shortfall rather than treating the corpus as something you start from zero — see [EPF versus NPS](/learn/epf-nps/epf-vs-nps).