Interactive tool

Wealth Tax Revenue Simulator

How much could a UK wealth tax raise? Adjust the thresholds and rates below to explore different scenarios. The model uses ONS wealth distribution data and a Pareto approximation.

All calculation happens in your browser. No data is stored or transmitted.

Preset scenarios:

Configure tax bands

Band 1
£500k£10m
0.10%5%

Estimated annual revenue

£17.5 billion

Illustrative gross estimate: it scales linearly with the rate and assumes no behavioural response or avoidance, so treat it as an upper bound.

Enough to fund government grant funding for 90,000 social homes

Taxpayers affected626,000
Average tax per taxpayer£28,019
Revenue as % of GDP0.76%

Your tax bands

  • 1% on wealth above £2m