TFSA or RA first? The honest trade-off, without the sales pitch

Ask around and you will get both answers with equal confidence. One person says max your retirement annuity for the tax deduction. Another says start with a tax-free savings account because the growth is never taxed. Both can be right. They just suit different people. This is a plain, factual companion to our RA versus TFSA calculator, and it lays out the factors that actually decide the question. It does not tell you which to choose. That depends on your circumstances, and a directed recommendation is the job of an FSP-licensed financial adviser who knows your full position, not a blog.

Everything here is South Africa specific, on the SARS figures for the 2027 year of assessment.[1]

The two wrappers are taxed at opposite ends

The whole trade-off comes from one difference. A retirement annuity and a tax-free savings account are taxed at opposite ends of their life.

A retirement annuity gives you a deduction now. Contributions are deductible under section 11F, up to 27.5% of your income, capped at R430,000 for the 2027 tax year.[1][2] The money grows untaxed inside the fund. Then it is taxed later: at retirement you can take up to one third as a lump sum, taxed on the retirement lump-sum table, and the rest buys an annuity whose income is taxed at your marginal rate in retirement.[2]

A tax-free savings account is the mirror image. There is no deduction now. You contribute after-tax money, up to R46,000 a year and R500,000 over your lifetime.[1][3] But nothing inside it is ever taxed, and nothing is taxed when you withdraw. It is tax-free later.[3]

So "which first" is really one question: would you rather have the tax break now, or the tax-free withdrawal later? That has no universal answer. It has your answer, and it turns on the five things below.

The factors that actually decide it

Here are the things people generally weigh. They are factors to think through, not a scoring system, and different people land in different places on each.

Your tax rate now versus at retirement. The RA deduction is worth your marginal rate today. The RA is taxed at your marginal rate in retirement. If you expect to be in a lower bracket when you retire than you are now, the deduction saves more than the later tax costs, which favours the RA. If you expect a similar or higher rate later, that advantage shrinks or reverses. Nobody can know their future rate, which is exactly why this is a judgement, not a calculation.

Whether you will actually reinvest the deduction. The RA's tax break only does its work if you put the refund back to work rather than spending it. The same after-tax cost buys a larger RA contribution because of the deduction, but only if you treat the deduction as part of the investment. If the refund tends to get spent, much of the RA's head start disappears, and the TFSA's simplicity looks better. Our calculator lets you compare both ways, on a same-cost basis and a same-contribution basis, precisely to make this visible.

When you need the money. A TFSA is accessible at any time. An RA is locked until age 55, with only the two-pot savings component partly reachable earlier. If there is any chance you will need the money before retirement, that liquidity difference matters more than any tax comparison, because a bigger after-tax number you cannot touch is not the same as cash.

How the money is invested. An RA must follow Regulation 28, which caps equities at 75% and offshore exposure at 45%.[4] A TFSA and ordinary discretionary investments have no such limits. If you want a higher-equity or more offshore-tilted portfolio than Regulation 28 allows, the TFSA gives you that freedom; if you are comfortable within the cap, it is not a constraint you will feel.

What happens to it in your estate. A TFSA is an asset in your estate. Retirement fund death benefits generally sit outside your estate. That difference matters for estate duty and for how quickly the money reaches your heirs, and it is one more reason the "right" wrapper depends on your whole picture, not just the growth number.

Why "which is bigger" is the wrong single question

It is tempting to run the numbers, see one wrapper end with a larger figure, and call it the winner. Our calculator will happily show you that figure. But the number on its own hides half the decision. The RA can end larger on a same-cost basis and still be the wrong fit if you need access before 55, or if you expect a high tax rate in retirement, or if you would spend the refund. The TFSA can end smaller and still be the better fit for money you might need, or for a portfolio you want outside Regulation 28. A projection answers "how much", on a set of assumptions. It does not answer "what suits me", which is why the tool shows the trade-off rather than declaring a winner.

So what does this mean for you?

There is no default order that is right for everyone, and anyone who gives you one without knowing your situation is guessing. The useful move is to get clear on the factors: your likely tax rate now versus in retirement, whether you will reinvest the deduction, when you might need the money, how you want it invested, and what you want to happen to it in your estate. Run both wrappers through the calculator on your own assumptions, both ways, and see how the gap moves as you change them. Then take the actual decision to a registered adviser who can see your whole position. The figures here are the current SARS numbers, refreshed each year after the February Budget.