EU Losing Billions from Fragmented Tax Rules, Study Finds

Nov. 27, 2025, 3:14 PM UTC

The EU could raise tens of billions of euro in revenue from better coordination and harmonization of current tax rules across the bloc, according to a study published Tuesday.

The study, commissioned by the European Parliament Research Service, focused on taxing wealth and crypto assets, digitalizing tax administration and lowering compliance costs.

If EU countries were to harmonize taxes on individuals’ real estate holdings of more than €1 billion, it could yield an estimated €12.9 billion per year across EU Member States the report said.

“The lack of coordination in valuation, definitions and reporting standards enables high-net-worth individuals to take ...

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