Rates and exemptions vary enormously. In Switzerland, inheritance tax is cantonal: spouses and direct descendants are exempt in almost all cantons, but distant relatives and unrelated heirs can face 20–50% rates in cantons such as Vaud. Germany applies federal inheritance tax with allowances of EUR 500,000 for spouses, EUR 400,000 per child and rates of 7–50% depending on relationship and amount.
France's droits de succession can reach 45% for direct descendants beyond an EUR 100,000 allowance and 60% for unrelated heirs. Italy is the lightest in Western Europe: 4% on direct descendants above a EUR 1 million allowance, 8% on unrelated heirs.
Planning techniques include lifetime gifts (within annual allowances), life-insurance contracts, generation-skipping arrangements and (in some jurisdictions) family-business reliefs. Cross-border estates frequently trigger double taxation unless covered by an estate-tax treaty.
A German parent leaves EUR 600,000 to one child. After the EUR 400,000 allowance, EUR 200,000 is taxable at 11% = EUR 22,000 inheritance tax. The same legacy in Italy would be tax-free thanks to the EUR 1 million per-heir allowance.