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With research staff from more than 60 countries, and offices across the globe, IFPRI provides research-based policy solutions to sustainably reduce poverty and end hunger and malnutrition in developing countries.

Liangzhi You

Liangzhi You is a Senior Research Fellow and theme leader in the Foresight and Policy Modeling Unit, based in Washington, DC. His research focuses on climate resilience, spatial data and analytics, agroecosystems, and agricultural science policy. Gridded crop production data of the world (SPAM) and the agricultural technology evaluation model (DREAM) are among his research contributions. 

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Where we work

IFPRI currently has more than 600 employees working in over 80 countries with a wide range of local, national, and international partners.

What’s driving Ethiopia’s remarkable improvements in nutritional health?

December 22, 2024


June 15, 2015, Addis Ababa—Since 2000, Ethiopia has been doing something right in early childhood nutrition. Under-five child stunting rates have dropped from 58 percent to 40 percent, child wasting has dropped below 10 percent, and the prevalence of underweight in young children has declined from 41 to 25 percent.

What lies behind these impressive gains? According to experts from the International Food Policy Research Institute (IFPRI) and Transform Nutrition, possible drivers include improvements in infant and young child feeding practices, improved agricultural performance, advances in empowering women, stronger social safety nets, and better roads and infrastructure.

“The reasons are still unclear, but the Ethiopia of 2000 is a stark contrast to the Ethiopia of today,” said Derek Headey, a senior research fellow at IFPRI. “Much of the improvement stems from larger birth sizes and hence better maternal nutrition, but we’re still trying to figure out exactly what’s driving these changes.”

Headey and other IFPRI researchers, government officials, and top international and national experts in nutrition, food policy, agriculture, and social protection will discuss the possible reasons for Ethiopia’s major gains in child nutrition today at a one-day conference at the Hilton Hotel in Addis Ababa.

On the agenda are discussions about the impact of cash transfer programs on nutritional indicators, how women’s empowerment in agriculture can affect nutritional outcomes, production diversity, and children’s diets, and how remoteness impacts welfare and nutrition, among other topics.

Government investment in road infrastructure has made it easier for farmers to get food to market and for food to travel to remote areas. In 1997, only 15 percent of the population was within three hours of a city of at least 50,000 people. In 2010, the percentage had increased to almost 50 percent.

“Better market access has led to lower poverty and better food security and more resilient food systems,” said Bart Minten, a senior research fellow with IFPRI.

John Hoddinott, the H.E. Babcock Professor of Nutrition and Economics, Cornell University and a co-research director for Transform Nutrition, who will present research on production diversity and children’s diets, points to the importance of linking interventions in nutrition to interventions in other sectors.

“Further sustained reductions in chronic undernutrition in Ethiopia will require tighter links between agriculture, social protection, and nutrition complemented by increased attention to improving women’s status and economic decision-making,” Hoddinott said.

Researchers said other African countries could benefit from emulating some of Ethiopia’s strategies for improved child nutrition. But first they need to understand the principles and processes that helped the country make such impressive strides.

“While there’s still a long way to go, these improvements indicate that something is working in Ethiopia,” Headey said.

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The International Food Policy Research Institute (IFPRI) seeks sustainable solutions for ending hunger and poverty. IFPRI was established in 1975 to identify and analyze alternative national and international strategies and policies for meeting the food needs of the developing world, with particular emphasis on low-income countries and on the poorer groups in those countries. www.ifpri.org. 

Transform Nutrition is a consortium of five international research and development partners funded by the UK Department for International Development. Using research-based evidence they inspire effective action to address undernutrition. www.transformnutrition.org

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