FIF tax on overseas shares (Fair Dividend Rate).
FIF tax (FDR method)
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Taxable FIF income (5% of value)
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Your breakdown
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When Inland Revenue taxes a gain you never took
New Zealand has no general capital gains tax, but offshore shares are a deliberate exception. Once your overseas holdings cross a threshold, the foreign investment fund rules kick in and tax you on a deemed return whether or not the shares paid a dividend or rose in value. The most widely used method is the Fair Dividend Rate, which treats 5 percent of the market value at the start of the year as taxable income, taxed at your marginal rate. The idea is to capture some return from globally diversified portfolios that might otherwise escape New Zealand tax entirely, since there is no capital gains tax to fall back on.
This calculator estimates that FIF tax under the Fair Dividend Rate. You enter the opening market value of your offshore shares, their total purchase cost, and your marginal tax rate. It checks the cost against the $50,000 de minimis threshold, works out the taxable FIF income, and shows the tax due.
Fair Dividend Rate on a $120,000 holding
Take a portfolio of US and European shares with an opening market value of $120,000 and a total cost of $100,000, held by an investor on the 33 percent rate. Because the cost is well above $50,000, the de minimis exemption does not apply, so FIF applies. The deemed income is 5 percent of the opening value, and that is taxed at 33 percent.
So you owe $1,980 of tax on this holding for the year, regardless of whether the shares went up, down or sideways. The chart shows how small the deemed taxable slice is relative to the portfolio.
The $50,000 line that changes everything
The de minimis exemption is the single most important number for ordinary investors. If the total cost of all your offshore shares stays under $50,000, the FIF rules do not apply at all, and you are taxed only on the actual dividends you receive, just like a New Zealand investor. Cross $50,000 of cost and the whole portfolio falls under FIF. Note the threshold is measured on cost, not market value, so a portfolio that started at $45,000 and grew to $70,000 can still be under the de minimis. This is why many beginning investors keep direct offshore holdings just under the line and use New Zealand-domiciled funds for the rest, where the fund itself handles FIF internally.
Australian shares and the comparative-value option
Two refinements this simplified tool does not model are worth knowing. First, shares in most ASX-listed Australian companies are generally exempt from FIF and taxed like New Zealand shares, on dividends only, so an Australasian portfolio often avoids FIF even above $50,000. Second, the Fair Dividend Rate is not the only method. The comparative value method taxes your actual gain plus dividends instead of a flat 5 percent, and in a year your shares fell you can use it to pay tax on the smaller figure, since FDR can never produce a loss but comparative value can return zero. The practical tip: in a down year, check whether comparative value beats the 5 percent deemed income, because paying tax on a 5 percent return you did not earn is the part investors resent most. A common mistake is forgetting that FDR uses the opening value, so a market that crashed mid-year still leaves you taxed on the higher figure from 1 April.
Do KiwiSaver and managed funds make me deal with FIF myself?
No. If you invest in offshore shares through a New Zealand portfolio investment entity, including most KiwiSaver funds, the fund applies the FIF rules internally and taxes the income at your prescribed investor rate, which caps at 28 percent. You do not calculate FIF yourself in that case. This tool is for investors who hold foreign shares directly, on a platform in their own name.
What if my offshore shares pay no dividends at all?
Under the Fair Dividend Rate you still pay tax, because the 5 percent is deemed regardless of actual dividends. That is the whole design: it stops investors from avoiding tax by holding growth shares that never distribute. If the lack of dividends combined with a flat or falling price makes FDR feel harsh, the comparative value method may give a lower result in that specific year.