In the Netherlands, there is officially no wealth tax, but there is a capital yield tax (vermogensrendementsheffing): you pay a tax on your capital return from savings and investments. This tax is detailed in box 3 of the income tax. You pay tax on the returns from assets, which is offset by the returns from liabilities. The primary residence is not included, but any potential rental property in the Netherlands is. This tax is not on the actual returns made, but the government determines what return you would have made (fictitious returns).
Read more: Tax on Savings and Stocks in the Netherlands