An article from the International Journal of Urban Sustainable Development finds that 29% of building area in Nairobi was replaced, renewed, or removed between 2010 and 2021, showing cities change internally through slum formalization, rezoning, and urban renewal, not just by expanding outward.

https://www.tandfonline.com/doi/full/10.1080/19463138.2025.2594259#d1e927

#urbanism #urbanplanning #Nairobi #UrbanRenewal #SlumFormalization