Mayors Challenge by the Numbers - Global Mayors Challenge

A banner for the 2025 Global Mayors Challenge depicting sanitation workers helping clean up a city.  It reads, "Cities care for the well-being of the world."

Mayors Challenge by the numbers

5

competitions

1660+

applicant cities

38

winning cities

$56M+

invested in city halls globally over the last 10 years

Past Winners




On the 2021 Global Mayors Challenge

Our last challenge, the 2021  Global Mayors Challenge, welcomed our biggest cohort yet of winning cities – with 15 cities. The 2021 Global Mayors Challenge asked cities to bring forth innovations that emerged during the Covid-19 pandemic or were inspired by it. Click through the gallery below to see these ideas come to life.

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The 2021 Global Mayors Challenge in the News

Paterson, New Jersey, USA

North Jersey: "'I'm tired of being in the streets.' This critical Paterson program is making a difference"

Bogotá, Colombia

The Guardian: "A sense of optimism and the chance to chat: how Bogotá is giving respect to unpaid carers"

Rochester, Minnesota, USA

The 19th: "Less than 1 percent of construction jobs go to women of color in this city"