Welcome to UNDP's
South-South and Triangular Cooperation

The 2026 United Nations Day for South-South Cooperation

The 2026 UN Day for South-South Cooperation was commemorated on 11 September under the theme of “Solidarity Rising: Global Alliance for Inclusive and Innovative Development”.
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Strengthening South-South and Triangular Cooperation for People and Planet, Volume II
This publication features case studies of South-South Cooperation from UNDP's portfolio of support to the implementation of the Kunming-Montreal Global Biodiversity Framework, highlights emerging areas of cooperation including digital traceability, gender-responsive biodiversity action, circular economy and green finance exchanges, community based resilience, and transboundary ecosystem management.
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United Nations system-wide strategy on South-South and triangular cooperation for sustainable development (2026-2029)
As South-South and triangular cooperation plays an increasingly important role in the global development landscape, the Strategy will operationalize a new Global Alliance for South-South and Triangular Cooperation, providing a practical and collaborative pathway to connect ideas, mobilize partnerships, and translate solutions into measurable impact.
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UN Day for
South-South Cooperation 2026
Message from António Guterres, UN Secretary-General
Message from Alexander de Croo, UNDP Administrator



UNIDO E-learning course on South-South and Triangular Industrial Cooperation (SSTIC).
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United Nations System-Wide Strategy on South-South and Triangular Cooperation for Sustainable Development.
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Guidelines for the Integration of South-South and Triangular-Cooperation into the Country and Regional-level Work of the UN-Development System.
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South-South Cooperation for Inclusive Digitalization - What is in there for Uzbekistan?
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Handbook on Integrating South-South and Triangular Cooperation in the Voluntary National Reviews.
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Considerations for South-South and Triangular Cooperation Design, Implementation, and Documentation.
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1. Pérez-Guerrero Trust Fund for South-South Cooperation (PGTF)
2. India-UN Development Partnership Fund (India-UN Fund)
3. India, Brazil and South Africa Facility for Poverty and Hunger Alleviation (IBSA Fund)
4. United Nations Peace and Development Trust Fund (UNPDF)
5. Global Development and South-South Cooperation Fund (GDSSCF)
6. China-UN Global South-South Development Facility
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News
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Events
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South South Global Thinkers
--the global coalition of think tank networks for South-South cooperation, jointly managed by UNDP and UNOSSC
Useful Links
UN Office for South-South Cooperation (UNOSSC)
Policy Documents on South-South and Triangular Cooperation
High-level Committee on South-South Cooperation
South-South Galaxy
UNDP Seoul Policy Centre
International Day for South-South Cooperation – 12 September
UNDP Advancing Development Cooperation through South-South and Triangular Cooperation
UNDP IICPSD – Private Sector engagement through South-South Cooperation for the SDGs