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Welcome to the European Senior Organisation!

The European Senior Organisation of the PES is a membership based on civil society network, and voices the values of its member organisations in Europe.

We promote and safeguard the social, cultural and economic interests of senior citizens in Europe.

We are committed to important social-democratic values like equality, social justice and (intergenerational) solidarity.

ESO endeavours to make a valuable contribution to the redefinition of the principles of a European social model which links economic growth and competitiveness in a globalized economy with social security and social-democratic values.

Our latest news

Message from ESO (European senior organisation) – PES seniors by the start of the negotiations for an UN Treaty for older persons rights.

8 February 2026

Geneva, 17 February 2026 Dear friends, The social-democratically inspired senior citizens' organizations in Europe, united in ESO, the European Senior...

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Message de ESO (Organisation européenne des seniors) – Seniors du PES à l’occasion du début des négociations pour un traité des Nations Unies sur les droits des personnes âgées.

8 February 2026

Geneve, 17 Février 2026 Chers amis, Les organisations des ainées d'inspiration social-démocrate en Europe, réunies au sein de ESO (European...

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ESO Newsletter 2026 – 1

14 January 2026

Dear friends, "ESO (European Senior Organisation) - PES seniors" is the seniors' network of the PES, the party of European...

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