There has been an increasing push for wealth taxes as of late. Supporters for new and larger wealth taxes contend that as the population ages, there won’t be enough wage earners to fund the public purse. In other words, there will be less wage-based income to tax as time goes on.
— Read on mises.org/wire/5-ways-wealth-tax-least-bad-income-tax

The song Taxman by the Beatles comes to mind