Suboptimal diets are a major risk factor for avoidable death and disease in low- and middle-income countries. Evidence shows that some foods or food components (e.g., processed red meat, saturated fat, salt, sugar) significantly elevate the risk of noncommunicable diseases and mortality, while others protect health (e.g., vegetables, fruits, pulses, nuts/seeds, fish, whole grains—referred to in this document as “protective foods”). We used household surveys to compare dietary patterns in Ethiopia, Kenya, Tanzania, and Uganda to the EAT-Lancet healthy reference diet and to quantify and explain consumption gaps for nutritious foods. Compared to the EAT-Lancet healthy reference diet, consumption gaps for pulses and nuts/seeds, vegetables, and fruits are large for both poor and rich consumers in rural and urban areas in the four countries studied, while consumption gaps for meat, fish, and eggs and dairy foods are much larger for lower income groups. Food expenditures of most households in these four countries are far too low to allow consumption of the healthy reference diet; animal-source foods and vegetables are the largest cost components of food expenditures, although quantities consumed of both food groups are much lower than the EAT-Lancet healthy reference diet. Income elasticities of demand for pulses and nuts/seeds and vegetables are often low or moderate, suggesting weak consumer preference for these foods, while income elasticities for fruits and animal-source foods are relatively high. Income growth alone will not solve dietary problems in East Africa; in addition to supply-side interventions to improve affordability, special interventions are required to increase consumer demand for underappreciated protective (nutritious) foods such as pulses and nuts/seeds and vegetables.

Supply chains for nutritious (“protective”) foods in Africa south of the Sahara are often poorly developed, especially for perishable crops that are vulnerable to wastage. We used LSMS-ISA surveys and geographic information system (GIS) data to explore which factors predict production patterns of four protective food crops (pulses, nuts and seeds, vegetables, and fruits) relative to cereals and starchy roots and tubers (grouped under staples) in Ethiopia, Malawi, Tanzania, and Uganda, with a focus on potential inter-ventions to improve production, trade, and consumption of these foods. Plot-level irrigation adoption is the strongest predictor of fruit and vegetable production, along with precipitation, suggesting that water availability is a major precondition for pro-ducing these protective foods. In contrast, pulses and nuts and seeds can be grown in drier and warmer conditions. Better market access is also associated with higher production of fruits and vegetables, but the association is weaker than that of water access. Investing in and expanding irrigation-especially small-scale irrigation-has strong poten-tial to yield high returns in East Africa, especially for poor households that cannot afford to invest in capital-intensive irrigation technologies. Irrigation investments may need to be complemented by investments in roads, rural elec-trification, and cold storage chains to promote efficiency of postharvest supply chains and reduce marketing costs.

This edited volume “Food Security in Africa” is a collection of reviewed and relevant research chapters offering a comprehensive overview of recent developments in the field of food safety and availability, water issues, farming and nutrition. The book comprises single chapters authored by various researchers and edited by an expert active in the public health and food security research area. All chapters are complete in itself but united under a common research study topic. This publication aims at providing a thorough overview of the latest research efforts by international authors on Africa’s food security challenges, quality of water, small-scale farming as well as economic and social challenges that this continent is facing. Hopefully, this volume will open new possible research paths for further novel developments.

The coronavirus pandemic has upended local, national, and global food systems, and put the Sustainable Development Goals further out of reach. But lessons from the world’s response to the pandemic can help address future shocks and contribute to food system change. In the 2021 Global Food Policy Report, IFPRI researchers and other food policy experts explore the impacts of the pandemic and government policy responses, particularly for the poor and disadvantaged, and consider what this means for transforming our food systems to be healthy, resilient, efficient, sustainable, and inclusive. Chapters in the report look at balancing health and economic policies, promoting healthy diets and nutrition, strengthening social protection policies and inclusion, integrating natural resource protection into food sector policies, and enhancing the contribution of the private sector. Regional sections look at the diverse experiences around the world, and a special section on finance looks at innovative ways of funding food system transformation. Critical questions addressed include: - Who felt the greatest impact from falling incomes and food system disruptions caused by the pandemic? - How can countries find an effective balance among health, economic, and social policies in the face of crisis? - How did lockdowns affect diet quality and quantity in rural and urban areas? - Do national social protection systems such as cash transfers have the capacity to protect poor and vulnerable groups in a global crisis? - Can better integration of agricultural and ecosystem polices help prevent the next pandemic? - How did companies accelerate ongoing trends in digitalization and integration to keep food supply chains moving? - What different challenges did the pandemic spark in Asia, Africa, and Latin America and how did these regions respond?

Food systems around the world face a triple challenge: providing food security and nutrition for a growing global population; supporting livelihoods for those working along the food supply chain; and contributing to environmental sustainability. Better policies hold tremendous promise for making progress in these domains.

Updates for many countries have made it possible to estimate hunger in the world with greater accuracy this year. In particular, newly accessible data enabled the revision of the entire series of undernourishment estimates for China back to 2000, resulting in a substantial downward shift of the series of the number of undernourished in the world. Nevertheless, the revision confirms the trend reported in past editions: the number of people affected by hunger globally has been slowly on the rise since 2014. The report also shows that the burden of malnutrition in all its forms continues to be a challenge. There has been some progress for child stunting, low birthweight and exclusive breastfeeding, but at a pace that is still too slow. Childhood overweight is not improving and adult obesity is on the rise in all regions. The report complements the usual assessment of food security and nutrition with projections of what the world may look like in 2030, if trends of the last decade continue. Projections show that the world is not on track to achieve Zero Hunger by 2030 and, despite some progress, most indicators are also not on track to meet global nutrition targets. The food security and nutritional status of the most vulnerable population groups is likely to deteriorate further due to the health and socio economic impacts of the COVID-19 pandemic. The report puts a spotlight on diet quality as a critical link between food security and nutrition. Meeting SDG 2 targets will only be possible if people have enough food to eat and if what they are eating is nutritious and affordable. The report also introduces new analysis of the cost and affordability of healthy diets around the world, by region and in different development contexts. It presents valuations of the health and climate-change costs associated with current food consumption patterns, as well as the potential cost savings if food consumption patterns were to shift towards healthy diets that include sustainability considerations. The report then concludes with a discussion of the policies and strategies to transform food systems to ensure affordable healthy diets, as part of the required efforts to end both hunger and all forms of malnutrition.

Africa is not on track to meeting the Sustainable Development Goal (SDG) 2 targets to end hunger and ensure access by all people to safe, nutritious and sufficient food all year round and to end all forms of malnutrition. The number of hungry people on the continent has risen by 47.9 million since 2014 and now stands at 250.3 million, or nearly one-fifth of the population. The 2017, 2018 and 2019 editions of this report explain that this gradual deterioration of food security was due to conflict, weather extremes, and economic slowdowns and downturns, often overlapping. A continued worsening of food security is expected also for 2020 as a result of the COVID-19 pandemic. In addition to hunger, across all countries in Africa millions of people suffer from widespread micronutrient deficiencies, and overweight and obesity are emerging as significant health concerns in many countries. This report shows that the food system in Africa does not provide food at a cost that makes nutritious food affordable to a majority of the population, and this is reflected in the high disease burden associated with maternal and child malnutrition, high body-mass, micronutrient deficiencies and dietary risk factors. The report also shows that current food consumption patterns impose high health and environmental costs, which are not reflected in food prices. The findings presented in this report highlight the importance of prioritizing the transformation of food systems to ensure access to affordable and healthy diets for all, produced in a sustainable manner.