Unrealized Gains Tax: Impact on Your Wealthv4.2.0

Unrealized gains tax: how hard does the new law hit your portfolio?

See how taxing paper gains erodes your portfolio — and how the Netherlands compares to other countries

The verdict

Projection from 2028

See the compounding effect of taxing unrealized gains over time

Unrealized (aanwas)

Net wealth

€ 329.744

Total tax paid
€ 108.968
Realized (winst)

Net wealth

€ 407.643

Total tax paid
€ 152.798
Of which on sale
€ 152.798
Current (forfaitair)

Net wealth

€ 428.050

Total tax paid
€ 68.942
Figure 1

Portfolio growth over time

Figure 2

Cumulative tax burden

Figure 3

Year-by-year breakdown — all scenarios

Unrealized (aanwas)Realized (winst)Current (forfaitair)
YearTaxIf soldNetTax
2028€ 106.408€ 2.592€ 109.000€ 2.592€ 106.408€ 108.105€ 895
2032€ 135.951€ 3.497€ 153.862€ 16.150€ 137.712€ 146.500€ 1.656
2037€ 183.521€ 4.954€ 236.736€ 42.745€ 193.991€ 211.362€ 2.940
2042€ 246.463€ 6.882€ 364.248€ 85.409€ 278.839€ 301.840€ 4.732
2047€ 329.744€ 9.433€ 560.441€ 152.798€ 407.643€ 428.050€ 7.232
International context

International comparison

The same scenario in other countries — after selling everything

🇱🇺Luxembourg
€ 520.732
🇺🇸United States
€ 478.465
🇧🇪Belgium
€ 469.390
🇩🇪Germany
€ 430.964
🇳🇱Netherlands (winst)
€ 407.643
🇫🇷France
€ 401.412
🇸🇪Sweden
€ 401.412
🇳🇴Norway
€ 363.036
🇳🇱Netherlands (aanwas)
€ 329.744
CountryTax while holdingTax on saleTotal taxNet wealth
🇱🇺Luxembourg€ 19.559€ 0€ 19.559€ 520.732
🇺🇸United States€ 14.830€ 51.944€ 66.774€ 478.465
🇧🇪Belgium€ 28.697€ 32.489€ 61.186€ 469.390
🇩🇪Germany€ 20.620€ 90.405€ 111.025€ 430.964
🇳🇱Netherlands (winst)€ 0€ 152.798€ 152.798€ 407.643
🇫🇷France€ 28.697€ 100.467€ 129.164€ 401.412
🇸🇪Sweden€ 28.697€ 100.467€ 129.164€ 401.412
🇳🇴Norway€ 35.570€ 124.534€ 160.104€ 363.036
🇳🇱Netherlands (aanwas)€ 108.968€ 0€ 108.968€ 329.744