TPD & Trauma Insurance Calculator
Estimate annual premiums for TPD (Total Permanent Disability) and Trauma (critical illness) insurance in NZ. Stepped vs level premium comparison.
About this calculator
This calculator implements NZ life insurance market premium rate cards (TPD + Trauma) from Partners Life, AIA, Asteron. Last consulted 18 May 2026. Verify the figures yourself by following the link.
NZ TPD & Trauma insurance market
Indicative premium rates 2026- •Trauma cover lump sum (typical): $100,000-300,000
- •TPD cover lump sum (typical): $200,000-600,000
- •Trauma covered conditions: 40+ (cancer, heart attack, stroke...)
- •Stepped premium rise (35→55): ~5× over 20 years
- •Level premium loading: +65% vs stepped initially
- •Major NZ providers: Partners Life, AIA, Asteron, Cigna
Source: Financial Services Council NZ
Disclaimer
This calculator provides estimates for general information purposes only. Results should not be relied upon as professional financial, tax, or legal advice. Tax rates and thresholds are based on publicly available IRD data and may change. Always consult a qualified tax agent or financial adviser for advice specific to your circumstances.
How NZ TPD & Trauma premiums are priced
Premium = (cover ÷ $100k) × age-band rate × smoker loading × structure loading.
- 1
Base rate from table
Base = TPD_or_Trauma_rate[age_band, gender] per $100k cover
Trauma is ~2× TPD at same age (more frequent claims).
- 2
Smoker loading
Loading_smoker = ×2.1 if smoker, else ×1.0
Material — declare honestly.
- 3
Premium structure
Loading_level = ×1.65 if level premium, else ×1.0 (stepped)
Stepped starts cheaper but rises ~5× by age 55.
- 4
Annual premium
Annual = (cover ÷ 100,000) × base × loadings × 12
Real underwriting may apply further loadings/exclusions for health.
Worked example
Inputs: Trauma $200k, 35-39 male, non-smoker, stepped
Result: Rate $330/$100k × 2 = $660/yr stepped. ~$55/mo.
Frequently Asked Questions
What's the difference between TPD and Trauma insurance?
Should I get stepped or level premiums?
Can I buy TPD or Trauma cover through KiwiSaver?
What conditions qualify as TPD vs Trauma in NZ?
How this calculator works
This tpd & trauma insurance calculator uses the latest data from official New Zealand government sources to provide accurate results. All calculations are performed in your browser — your data never leaves your device.
All calculations are performed in your browser — your data never leaves your device. Results are for general guidance only and should not be considered professional financial advice.
Built and maintained by Konstantin Iakovlev. Data sourced from the IRD and official New Zealand government sources.
Last reviewed: