The gap is driven by the headline tax structure — no special regime applied. Both countries are indicated in USD at the displayed FX.
| Personal income tax progressive · top 45% | $24,091 |
| Social security 8.0% employee · capped | $5,094 |
| Total deductions | $29,185 |
| Gross income | $100,000 |
| Net take-home | $70,815 |
| Personal income tax progressive · top 39% | $26,865 |
| Social security 1.4% employee · capped | $1,199 |
| Total deductions | $28,064 |
| Gross income | $100,000 |
| Net take-home | $71,936 |
| Instrument | United Kingdom · USD | New Zealand · USD | Δ (NZ − GB) |
|---|---|---|---|
I. Personal income tax | |||
Personal income tax GBprogressive · top 45%NZprogressive · top 39% | $24,091 | $26,865 | +$2,774 |
| subtotal · personal income tax | $24,091 | $26,865 | +$2,774 |
II. Mandatory social security & health | |||
NI Class 1: 8% on £242-£967/wk; 2% above (cap modeled at primary upper earnings limit). GB8.0% · capped £50,300NZ1.4% · capped NZ$142,283 | $5,094 | $1,199 | −$3,895 |
| subtotal · mandatory social security & health | $5,094 | $1,199 | −$3,895 |
| Total deductions | $29,185 | $28,064 | −$1,121 |
| Effective rate | 29.2% | 28.1% | -1.1 pp |
| Gross income | $100,000 | $100,000 | — |
| Net take-home | $70,815 | $71,936 | +$1,121 |
Table 1 · Statutory deductions, single-filer remote worker, FY2026 indicative. All amounts in USD. n/a where instrument does not apply. | |||
| PPP basis · NYC = 100 | United Kingdom | New Zealand | Δ |
|---|---|---|---|
Cost-of-living index Indicative · placeholder until COL table ships | 78.0 | 72.0 | -6.0 pts |
Nominal net (annual) From the engine — exact | $70,815 | $71,936 | +$1,121 |
| Real net · United Kingdom basket | $70,815 | $77,931 | +$7,116 |
Every line above can be traced to a primary instrument. We publish the model; you may toggle its parameters.
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