Most of the gap is opened by Ireland's Irish Non-Dom Remittance regime, which displaces the standard schedule. 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 40% | — |
| Social security 4.3% employee · uncapped | $4,275 |
| Total deductions | $4,275 |
| Gross income | $100,000 |
| Net take-home | $95,725 |
| Instrument | United Kingdom · USD | Ireland · USD | Δ (IE − GB) |
|---|---|---|---|
I. Personal income tax | |||
Personal income tax GBprogressive · top 45%IEprogressive · top 40% | $24,091 | — | −$24,091 |
| subtotal · personal income tax | $24,091 | $0 | −$24,091 |
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 £50,300IE— | $5,094 | — | −$5,094 |
PRSI 4.2% Jan-Sep, 4.35% Oct → midpoint. USC is a separate income-tax-adjacent surcharge, not included here. GB—IE4.3% · uncapped | — | $4,275 | +$4,275 |
| subtotal · mandatory social security & health | $5,094 | $4,275 | −$819 |
| Total deductions | $29,185 | $4,275 | −$24,910 |
| Effective rate | 29.2% | 4.3% | -24.9 pp |
| Gross income | $100,000 | $100,000 | — |
| Net take-home | $70,815 | $95,725 | +$24,910 |
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 | Ireland | Δ |
|---|---|---|---|
Cost-of-living index Indicative · placeholder until COL table ships | 78.0 | 75.0 | -3.0 pts |
Nominal net (annual) From the engine — exact | $70,815 | $95,725 | +$24,910 |
| Real net · United Kingdom basket | $70,815 | $99,554 | +$28,739 |
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