Capital key

Definition

Percentage share of each national central bank in the European Central Bank’s total capital.

Further information

It is determined in accordance with Article 29 of the Statute of the European System of Central Banks and of the European Central Bank, on the basis of the respective country’s share in the total population of the Eropean Union (EU) and in its gross domestic product. It is adjusted every five years or when a country joins the EU.

Related concepts

Update date: May 2025

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