Introduction

The Urban 20 (U20) is a yearly diplomatic process bringing together major cities from G20 countries to highlight urban issues and enhance cities’ roles in the G20 agenda. Launched in 2017, the inaugural U20 Mayors Summit was held in Buenos Aires in October 2018. The initiative is independently convened by C40 Cities and United Cities and Local Governments.It serves as a platform for city leaders to collaborate on pressing urban challenges. The U20 also aims to influence the G20 agenda by ensuring that urban perspectives are included in global policy discussions.

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A new era 

​for African urban leadership.


The Cities of Johannesburg and Tshwane are two of South Africa’s most dynamic and forward-thinking metropolises, have been appointed as the Co-Chairs of the Urban 20 (U20) for the 2025 cycle, following the handover from Rio de Janeiro and São Paulo in November 2024.

This historic appointment marks a significant milestone not only for South Africa but for the entire African continent. As Co-Chairs, Tshwane and Johannesburg will lead a global coalition of cities in addressing pressing urban challenges, fostering sustainable development, and amplifying the voice of African cities on the world stage.   

Under the theme Cities Leading the Way in Reimagining Global Change, Tshwane and Johannesburg will champion innovative, inclusive, and sustainable solutions to redefine how cities respond to global challenges. This theme reflects their commitment to driving transformative change, not only within their own borders but across the globe, by leveraging the power of urban innovation and collaboration.


What we plan to achieve:

U20 2025 Key Priorities.

Economic opportunities and Financing

We must create pathways for economic opportunities and financing that are accessible to all.

Climate Action and Urban Resilience

The impacts of climate change are increasingly evident, and our cities must be at the forefront of the responses. 


Social Inclusion and Equity

A thriving city is one where every resident, especially the most vulnerable,  feels valued and has equal access to opportunities.

Digital Trans-formation and Innovation

As we embrace the digital age, we must leverage technology to improve governance and service delivery.

U20 2025 Theme:
Cities leading the way in reimagining global change.

  • Reimagining Urban Governance: By fostering innovative policies and practices that prioritise innovation, inclusivity, transparency, and sustainability.  
  • Reimagining Climate Action: By leading the charge in developing resilient, low-carbon cities that can withstand the impacts of climate change.   
  • Reimagining Economic Systems: By creating inclusive economies that empower all citizens, particularly the most vulnerable.   
  • Reimagining Global Collaboration: By building bridges between cities, nations, and stakeholders to address shared challenges and opportunities.