wealth tax 
noun
A tax levied on personal capital: an increase in wealth tax [count noun]: an immediate objective should be the introduction of a wealth tax...
- There is no capital gains tax, sales tax or VAT, inheritance tax or wealth tax on the Rock.
- A White Paper published in February 1974 proposed a capital gains tax of 35 per cent and an annual wealth tax on estates of over £40,000.
- There are three obvious ways that society can capture the unearned increment: by requiring lease payments from the land user, by a wealth tax, and by a tax on rental income.