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Inequality of household water security follows a Development Kuznets Curve

  • HWISE Research Coordination Network
  • Cardiff University
  • Northwestern University
  • University of Birmingham
  • Université de Lyon
  • Arizona State University
  • University of Amsterdam
  • Michigan State University
  • University of Miami
  • Pennsylvania State University
  • Yale University
  • University of North Carolina at Greensboro
  • University of the West of England
  • Oregon Health and Science University
  • Anode Governance Lab
  • University of Notre Dame
  • Universidad Nacional Autónoma de México
  • Texas A&M University
  • African Population and Health Research Center
  • American University of Beirut
  • Shahid Beheshti University of Medical Sciences
  • McGill University
  • Quaid-I-Azam University
  • Universidad Autonoma de Coahuila
  • Universidad Javeriana
  • Cornell University
  • University of Florida
  • Oregon State University
  • Johns Hopkins University
  • Emory University
  • Universidad Autónoma Del Beni José Ballivián
  • University of Lagos
  • Delaware State University
  • International Centre for Diarrhoeal Disease Research Bangladesh
  • Tulane University
  • University of Westminster

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

Water security requires not only sufficient availability of and access to safe and acceptable quality for domestic uses, but also fair distribution within and across populations. However, a key research gap remains in understanding water security inequality and its dynamics, which in turn creates an impediment to tracking progress towards sustainable development. Therefore, we analyse the inequality of water security using data from 7603 households across 28 sites in 22 low- and middle-income countries, measured using the Household Water Insecurity Experiences Scale. Here we show an inverted-U shaped relationship between site water security and inequality of household water security. This Kuznets-like curve suggests a process that as water security grows, the inequality of water security first increases then decreases. This research extends the Kuznets curve applications and introduces the Development Kuznets Curve concept. Its practical implications support building water security and achieving more fair, inclusive, and sustainable development.

Original languageEnglish
Article number4525
JournalNature Communications
Volume13
Issue number1
DOIs
StatePublished - Dec 2022

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