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 24% | $7,500 |
| Social security no statutory contribution | — |
| Total deductions | $7,500 |
| Gross income | $100,000 |
| Net take-home | $92,500 |
| Instrument | United Kingdom · USD | Singapore · USD | Δ (SG − GB) |
|---|---|---|---|
I. Personal income tax | |||
Personal income tax GBprogressive · top 45%SGprogressive · top 24% | $24,091 | $7,500 | −$16,591 |
| subtotal · personal income tax | $24,091 | $7,500 | −$16,591 |
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 £50,300SG— | $5,094 | — | −$5,094 |
| subtotal · mandatory social security & health | $5,094 | $0 | −$5,094 |
| Total deductions | $29,185 | $7,500 | −$21,685 |
| Effective rate | 29.2% | 7.5% | -21.7 pp |
| Gross income | $100,000 | $100,000 | — |
| Net take-home | $70,815 | $92,500 | +$21,685 |
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 | Singapore | Δ |
|---|---|---|---|
Cost-of-living index Indicative · placeholder until COL table ships | 78.0 | 88.0 | +10.0 pts |
Nominal net (annual) From the engine — exact | $70,815 | $92,500 | +$21,685 |
| Real net · United Kingdom basket | $70,815 | $81,989 | +$11,173 |
Every line above can be traced to a primary instrument. We publish the model; you may toggle its parameters.
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