Line chart comparing effective inheritance tax rates across OECD countries against UK estate values: At the average UK estate value of £335k, the UK tax rate is 0%, whereas countries such as Spain, Belgium, France, and Ireland impose effective rates between 13% and 17%. UK inheritance tax only begins above £1m, but rises steeply to surpass most countries by £2.7m, reaching approximately 33% for the largest estates, behind only France, Korea, and Japan.

Annotation: No IHT/estate tax:
Hungary, Lithuania,
Portugal (for children), Poland,
Slovenia, Sweden, Switzerland

Y-axis: Effective tax rate from 0% to 40% in 5% increments.
X-axis: Percentile scale from 0 to 100 in increments of 10.

Vertical reference lines:
- At ~9%: £335k (the UK average) UK estate value
- At ~27%: £1m UK estate value
- At ~73%: £2.7m UK estate value

Country lines and values at the 100th percentile:
- France: ~38%
- Korea: ~35.5%
- Japan: ~35.5%
- United Kingdom: starts at 0% up to £1m (~27th percentile), reaches ~30.5% at £2.7m (~73rd percentile), and ends at ~33%
- Spain: ~31.5%
- Ireland: ~30.5%
- Belgium: ~28.5%
- Germany: ~26.5%
- Chile: ~20%
- Netherlands: ~19.5%
- Finland: ~18%
- Denmark: ~15%
- Greece: ~8%
- Italy: ~3%
- United States: 0%

Comparison of OECD inheritance taxes

25 September 2023

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