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How and where global food supplies fall short of healthy diets: Past trends and future projections, 1961-2020 and 2010-2050

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Listed:
  • Leah Costlow
  • Anna Herforth
  • Timothy B. Sulser
  • Nicola Cenacchi
  • William A. Masters

Abstract

Most of the world still lacks access to sufficient quantities of all food groups needed for an active and healthy life. This study traces historical and projected changes in global food systems toward alignment with the new Healthy Diet Basket (HDB) used by UN agencies and the World Bank to monitor the cost and affordability of healthy diets worldwide. We use HDB as a standard to measure adequacy of national, regional and global supply-demand balances, finding substantial but inconsistent progress toward closer alignment with dietary guidelines, with large global shortfalls in fruits, vegetables, and legumes, nuts, and seeds, and large disparities among regions in use of animal source foods. Projections show that additional investments in the supply of agricultural products would modestly accelerate improvements in adequacy where shortfalls are greatest, revealing the need for complementary investments to increase purchasing power and demand for under-consumed food groups especially in low-income countries.

Suggested Citation

  • Leah Costlow & Anna Herforth & Timothy B. Sulser & Nicola Cenacchi & William A. Masters, 2024. "How and where global food supplies fall short of healthy diets: Past trends and future projections, 1961-2020 and 2010-2050," Papers 2401.01080, arXiv.org.
    • Handle: RePEc:arx:papers:2401.01080
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    References listed on IDEAS

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    1. Sulser, Timothy & Wiebe, Keith D. & Dunston, Shahnila & Cenacchi, Nicola & Nin-Pratt, Alejandro & Mason-D’Croz, Daniel & Robertson, Richard D. & Willenbockel, Dirk & Rosegrant, Mark W., 2021. "Climate change and hunger: Estimating costs of adaptation in the agrifood system," Food policy reports 9780896294165, International Food Policy Research Institute (IFPRI).
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