Inclusionary zoning as a tool for social sustainability: A systematic review of urban housing policy outcomes

This systematic review examines how Inclusionary Zoning (IZ) policies contribute to social sustainability outcomes in urban environments. Through analysis of 50 studies published between 2000 and 2025, we develop an integrated theoretical framework that maps the relationships between policy design,...

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Main Authors: Muhammad Hariz Azlan, Ainur Zaireen Zainudin, Norhisham Rahmat, Fatin Afiqah Md Azmi, Nur Berahim, Salfarina Samsudin, Azizah Ismail, Rohaya Abdul Jalil, Yong Adilah Shamsul Harumain
Format: Article
Language:English
Published: Elsevier 2025-06-01
Series:Sustainable Futures
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Online Access:http://www.sciencedirect.com/science/article/pii/S2666188825002163
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Summary:This systematic review examines how Inclusionary Zoning (IZ) policies contribute to social sustainability outcomes in urban environments. Through analysis of 50 studies published between 2000 and 2025, we develop an integrated theoretical framework that maps the relationships between policy design, institutional capacity, and social outcomes. Our methodology employs a rigorous systematic review protocol, documented through a comprehensive PRISMA flow diagram, combined with a structured data extraction framework that enables consistent analysis across diverse policy implementations. The findings reveal that developments with 20–30 % affordable units achieve optimal social integration outcomes, particularly when supported by robust institutional frameworks and thoughtful physical design. Long-term resident outcomes show significant improvements in educational and employment metrics when IZ units are located in high-opportunity areas, though this presents challenges for policy implementation. Through four interconnected visual frameworks, we demonstrate how policy design features influence social sustainability outcomes across different market contexts. These findings contribute to sustainability science by illuminating the mechanisms through which housing policy can promote social sustainability while highlighting crucial considerations for policy design and implementation.
ISSN:2666-1888