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Working for Families (WFF) Tax Credits are a package of government payments designed to make it easier for New Zealand families with dependent children to manage the cost of raising a family. Administered by Inland Revenue (IR), WFF top up the income of low-to-middle income working families and are made up of several distinct credits, each with its own rules and eligibility criteria. The main components are: the Family Tax Credit (FTC), which provides a base payment for every dependent child in the family; the In-Work Tax Credit (IWTC), which rewards families where parents are in paid employment; the Best Start Tax Credit, which provides support in a child's early years; and the Minimum Family Tax Credit (MFTC), which ensures working families reach a minimum annual income threshold. Payments can be received fortnightly through IR throughout the year, or as a lump sum at the end of the tax year when you file your tax return. Receiving payments fortnightly based on an estimate of your annual family income is convenient but requires accuracy — if your income is higher than estimated, you may owe money back at year end. WFF is abated (reduced) at a rate of 27 cents for every dollar of family income above $42,700 per year. This abatement applies first to IWTC, then FTC, so higher-earning families see their credits gradually reduced to zero as income rises. Best Start has its own income test above $79,000 per year for the second and third year of a child's life. Understanding how WFF interacts with other income sources — including rental income, self-employment, and interest — is essential for accurate entitlement calculations.
Annual WFF Entitlement = FTC + IWTC + Best Start + MFTC top-up; Abatement = max(0, (Family Income − $42,700) × 27%); Net WFF = max(0, Annual Entitlement − Abatement)
- 1Determine your family composition: list each dependent child under 18 (or under 19 if in secondary school), and identify the eldest child and additional children separately, as FTC rates differ.
- 2Calculate your base Family Tax Credit entitlement: $136.98 per week for the eldest qualifying child, plus $111.97 per week for each additional child aged 15 or under (lower rates for 16–18 year olds).
- 3Check eligibility for the In-Work Tax Credit: you must work a minimum number of hours (20 hours/week for sole parents; 30 hours combined for couples) and not be receiving a main benefit such as Jobseeker Support.
- 4Add the Best Start Tax Credit if you have a child under 3: $69 per week in the first year (all families); in years 2 and 3, $69 per week income-tested (abated at 21 cents per dollar above $79,000).
- 5Calculate your total gross family income for the year, including both partners' income, any rental income, self-employment income, and interest.
- 6Apply the abatement: for every dollar of family income above $42,700, reduce your WFF entitlement by 27 cents. The abatement reduces IWTC first, then FTC.
- 7If your family income from working is below $34,216 per year, check whether the Minimum Family Tax Credit applies — this tops up your after-tax income to that threshold provided you are in paid employment and not on a main benefit.
No abatement applies as income is below $42,700
FTC = $7,122.96 + $5,822.44 = $12,945.40. IWTC = $3,770 (annual). Best Start (year 2) = no abatement at $38k. Total before abatement ≈ $16,715. Income $38,000 is below $42,700, so no abatement applies.
Abatement first reduces IWTC to zero, then reduces FTC
Excess over threshold: $60,000 − $42,700 = $17,300. Abatement: $17,300 × 0.27 = $4,671. IWTC ($3,770) is eliminated first; remaining $901 reduces FTC.
Best Start in year 1 is universal — it does not depend on family income
For the first year of a child's life, all families receive Best Start regardless of income. From years 2–3, the credit is income-tested and abated above $79,000.
MFTC applies only if in paid employment for minimum hours and not on a main benefit
MFTC = $34,216 − $28,000 = $6,216 annual top-up. This ensures the family reaches the legislated minimum income floor.
A sole parent earning $35,000 per year with two school-age children receives WFF fortnightly to help cover childcare and school costs, effectively increasing their take-home income by several hundred dollars per fortnight.
A couple with a newborn receives Best Start Tax Credit at $69/week in the first year without any income test, providing guaranteed support regardless of their earnings., where accurate wff tax credit nz analysis through the Wff Tax Credit Nz supports evidence-based decision-making and quantitative rigor in professional workflows
A family near the $42,700 abatement threshold redirects additional savings into KiwiSaver to keep taxable income below the threshold, preserving their full IWTC entitlement., where accurate wff tax credit nz analysis through the Wff Tax Credit Nz supports evidence-based decision-making and quantitative rigor in professional workflows
A self-employed parent includes their business income in their WFF estimate and updates IR mid-year when a profitable contract increases their earnings, avoiding a large end-of-year overpayment., where accurate wff tax credit nz analysis through the Wff Tax Credit Nz supports evidence-based decision-making and quantitative rigor in professional workflows
Separated parents with a 50/50 care arrangement each claim half the FTC for their shared children, with IR splitting the credits proportionally based on the number of nights in each household.
Shared Care Arrangements
When children spend time with two households following separation, WFF entitlement can be split between caregivers if the children spend at least 33% of nights with each parent. Each parent claims WFF for the child independently on a pro-rata basis, and both must meet the eligibility criteria separately.
PIE Income and Working for Families
Income from Portfolio Investment Entity (PIE) funds — including KiwiSaver — is not included in the WFF family income test. This means PIE income does not cause abatement of WFF credits, making PIE funds an advantageous savings vehicle for families close to the abatement threshold.
Students and Working for Families
Full-time students can receive FTC and Best Start but are generally not eligible for IWTC because student loans and allowances are not treated as employment income for IWTC purposes. Students who also work part-time may qualify if they meet the minimum hours requirement.
Families with Children Aged 16–18
Children aged 16 to 18 who remain in secondary school are still considered qualifying children for WFF. However, the FTC rates are the same as for additional children — there is no separate higher rate for older children in secondary school. Once a child turns 18 or leaves school, they no longer count as a qualifying child.
Backdating and Late Claims
WFF credits can generally only be backdated for up to four years from the date of claim. If you have been eligible for WFF but have not claimed it, you may be able to recover past entitlements by filing amended returns, but the four-year time limit is strictly enforced.
| Credit | Amount | Notes |
|---|---|---|
| Family Tax Credit — eldest child (≤15) | $136.98/week | Higher rate for youngest age group |
| Family Tax Credit — additional children (≤15) | $111.97/week | Per additional child |
| In-Work Tax Credit | $72.50/week | Max $3,770/year; employment required |
| Best Start — Year 1 (all families) | $69/week | Universal, not income-tested |
| Best Start — Years 2–3 (income-tested) | $69/week | Abated above $79,000 |
| Minimum Family Tax Credit threshold | $34,216/year | After-tax income floor |
| WFF abatement rate | 27 cents per dollar | Above $42,700 family income |
| WFF abatement threshold | $42,700/year | Combined family income |
Who is eligible for Working for Families Tax Credits?
You must be a New Zealand tax resident, be the principal caregiver of a dependent child aged under 18 (or under 19 if in secondary school), and meet the income and employment requirements for each specific credit component. Families receiving main benefits may be eligible for FTC and Best Start but not IWTC or MFTC.
What is the difference between the Family Tax Credit and the In-Work Tax Credit?
The Family Tax Credit (FTC) is available to all eligible families with dependent children, including those receiving a main benefit. The In-Work Tax Credit (IWTC) is an additional payment only for families where the parents are in paid employment for the required minimum hours (20 hours/week for sole parents; 30 hours/week combined for couples) and are not receiving a main benefit.
Can I receive Working for Families payments fortnightly?
Yes. You can apply to receive WFF payments fortnightly (called 'receiving during the year') based on an estimate of your annual family income. Alternatively, you can receive a lump sum when you file your income tax return. Fortnightly payments require you to notify IR of significant income changes to avoid overpayments that must be repaid.
What income is included in the family income test?
Family income includes salary and wages, self-employment income, rental income, interest, dividends, taxable Māori authority distributions, overseas income, and most other taxable income for both you and your partner. PIE fund income (such as KiwiSaver) is not included in the WFF income test, which is a significant advantage. This is particularly important in the context of wff tax credit nz calculations, where accuracy directly impacts decision-making. Professionals across multiple industries rely on precise wff tax credit nz computations to validate assumptions, optimize processes, and ensure compliance with applicable standards. Understanding the underlying methodology helps users interpret results correctly and identify when additional analysis may be warranted.
Does the WFF abatement start immediately once income exceeds $42,700?
Yes. The abatement applies at 27 cents for every dollar of family income above $42,700. It reduces the IWTC first (to zero), then reduces the FTC. There is no second abatement threshold — the 27% rate applies continuously until the total WFF entitlement is reduced to nil. This is particularly important in the context of wff tax credit nz calculations, where accuracy directly impacts decision-making. Professionals across multiple industries rely on precise wff tax credit nz computations to validate assumptions, optimize processes, and ensure compliance with applicable standards. Understanding the underlying methodology helps users interpret results correctly and identify when additional analysis may be warranted.
Is Best Start only for families with newborns?
Best Start Tax Credit is available for children under 3 years old. In the first year of a child's life it is paid to all families regardless of income. For the second and third year, it is income-tested — families with income above $79,000 see the credit abated at 21 cents per dollar above that threshold until it reaches zero.
What happens if I receive too much WFF during the year?
If your actual annual family income is higher than your estimate, you will have been overpaid. IR calculates this when you file your tax return and you will owe the difference. If your income was lower, you will receive a top-up payment. It is important to update IR promptly when your circumstances change to avoid large end-of-year adjustments.
Can self-employed people receive Working for Families?
Yes. Self-employed people can receive WFF, but their income must be accurately calculated and declared. Self-employment income is included in the family income test. For IWTC, self-employed sole parents must work at least 20 hours per week; couples must work a combined 30 hours. IR may request evidence of income and hours worked.
Pro Tips
If your family income is close to the $42,700 abatement threshold, consider whether any voluntary KiwiSaver or PIE fund contributions could reduce your taxable income without affecting your WFF entitlement — because PIE income is excluded from the WFF income test, investing more through KiwiSaver can help keep your WFF credits intact while still building retirement savings.
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Working for Families was introduced in 2004 as one of the largest income redistribution programmes in New Zealand's history. At its peak, more than 300,000 families received WFF credits, making it one of the country's most widely used tax assistance programmes.