Food security remains a critical issue, even in high-income nations, as disparities in access to nutritious food contribute to malnutrition and obesity. Understanding the complexities of food systems, trade policies, and economic inequality is essential to address these challenges effectively. Recent advances in research have highlighted the intricate relationship between agricultural trade and food security. Studies have shown that while trade can enhance food availability and variety, it can also exacerbate inequalities within high-income nations. For instance, the rise of food deserts in urban areas reflects a failure to ensure equitable access to healthy food, even in wealthier contexts. Additionally, the growing awareness of the health impacts of food systems has led to a more nuanced understanding of the links between food security, obesity, and malnutrition.

Innovations in food technology could lead to more sustainable agricultural practices that increase food production while minimizing environmental impacts. Policymakers may also leverage data-driven approaches to design targeted interventions that address the specific needs of vulnerable populations, thus reducing food insecurity and health disparities. Furthermore, enhanced collaboration between governments, academia, and industry can foster the development of comprehensive strategies that address the multifaceted nature of food security. In summary, advancing our understanding of food security in high-income nations is vital for creating effective policies that promote equitable access to nutritious food, address malnutrition and obesity, and foster sustainable agricultural practices. As we continue to explore the intricate dynamics of food systems and trade, we can pave the way for a healthier, more equitable future.

Researchers are invited to contribute to this special Collection focused on "Food Security in High-Income Nations: Issues, Policies, and Future Directions." Topics of interest include but are not limited to:

- Agricultural trade and food security - Inequality in food access - Policies addressing malnutrition - The impact of obesity on public health - Trade dynamics and food systems - Innovations in food technology - Food deserts and urban food access - Economic analyses of food security

This Collection supports and amplifies research related to SDG 2, Zero Hunger.

All submissions in this collection undergo the journal’s standard peer review process. Similarly, all manuscripts authored by a Guest Editor(s) will be handled by the Editor-in-Chief. As an open access publication, this journal levies an article processing fee (details here). We recognize that many key stakeholders may not have access to such resources and are committed to supporting participation in this issue wherever resources are a barrier. For more information about what support may be available, please visit OA funding and support, or email OAfundingpolicy@springernature.com or the Editor-in-Chief.