Most of the gap is opened by South Africa's Foreign Employment Income Exemption (s10(1)(o)(ii)) regime, which displaces the standard schedule. Both countries are indicated in USD at the displayed FX.
| Personal income tax npr · 0% flat | — |
| Social security 15.0% employee · uncapped | $15,000 |
| Total deductions | $15,000 |
| Gross income | $100,000 |
| Net take-home | $85,000 |
| Personal income tax s10_o_ii · 0% flat | $8,263 |
| Social security 1.0% employee · uncapped | $1,000 |
| Total deductions | $9,263 |
| Gross income | $100,000 |
| Net take-home | $90,737 |
| Instrument | Japan · USD | South Africa · USD | Δ (ZA − JP) |
|---|---|---|---|
I. Personal income tax | |||
Personal income tax JPnpr · 0% flatZAs10_o_ii · 0% flat | — | $8,263 | +$8,263 |
| subtotal · personal income tax | $0 | $8,263 | +$8,263 |
II. Mandatory social security & health | |||
~15% total (health + pension + employment). JP15.0% · uncappedZA1.0% · uncapped | $15,000 | $1,000 | −$14,000 |
| subtotal · mandatory social security & health | $15,000 | $1,000 | −$14,000 |
| Total deductions | $15,000 | $9,263 | −$5,737 |
| Effective rate | 15.0% | 9.3% | -5.7 pp |
| Gross income | $100,000 | $100,000 | — |
| Net take-home | $85,000 | $90,737 | +$5,737 |
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 | Japan | South Africa | Δ |
|---|---|---|---|
Cost-of-living index Indicative · placeholder until COL table ships | 70.0 | 38.0 | -32.0 pts |
Nominal net (annual) From the engine — exact | $85,000 | $90,737 | +$5,737 |
| Real net · Japan basket | $85,000 | $167,147 | +$82,147 |
Every line above can be traced to a primary instrument. We publish the model; you may toggle its parameters.
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