Headline tax-burden delta + residency-test framing for relocating from CA to IE. Numbers below come from our country tax calculators applied to common USD income levels.
Net at $100k in CA
$84,408
Net at $100k in IE
$74,950
Move delta
-$9,457
CA keeps more after tax
| Gross (USD) | CA effective | IE effective | Delta |
|---|---|---|---|
| $25,000 | 7.4% | 1.3% | +$1,521 |
| $50,000 | 10.7% | 10.7% | +$21 |
| $75,000 | 13.6% | 20.1% | -$4,819 |
| $100,000 | 15.6% | 25.0% | -$9,457 |
| $150,000 | 19.2% | 30.0% | -$16,213 |
| $250,000 | 24.0% | 34.0% | -$25,097 |
| $500,000 | 28.5% | 37.0% | -$42,597 |
Leaving CA
Residency rule. Significant residential ties (home, spouse, dependants) primary; 183-day deemed residency secondary.
Tax base. Worldwide income — residents are taxed on income earned anywhere.
Exit tax. Departure tax: deemed disposition of most assets at FMV on the day of emigration (s.128.1 ITA).
Arriving in IE
Residency rule. Resident if 183+ days in tax year, OR 280+ days across current + prior tax year.
Tax base. Worldwide income — residents are taxed on income earned anywhere.
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