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<title>Our World in Data - Hunger &amp; Undernourishment</title>
<subtitle>Research and data to make progress against the world’s largest problems</subtitle>
<id>https://ourworldindata.org/</id>
<link type="text/html" rel="alternate" href="https://ourworldindata.org"/>
<link type="application/atom+xml" rel="self" href="https://ourworldindata.org/atom.xml?topics=Hunger%20%26%20Undernourishment"/>
<updated>2026-05-11T00:00:00.000Z</updated>
<entry>
    <title>Childhood stunting fell dramatically over the 20th century</title>
    <id>https://ourworldindata.org/childhood-stunting-fell-dramatically-over-the-20th-century</id>
    <link rel="alternate" href="https://ourworldindata.org/childhood-stunting-fell-dramatically-over-the-20th-century"/>
    <published>2026-05-11T00:00:00.000Z</published>
    <author><name>Hannah Ritchie</name></author><author><name>Tuna Acisu</name></author>
    <summary type="html"><![CDATA[What can countries with high stunting rates today learn from Japan’s experience of going from 70% to 5%?<br/><br/><a href="https://ourworldindata.org/childhood-stunting-fell-dramatically-over-the-20th-century"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/c72d18f2-3c36-42d5-52da-02339ee93900/w=512"/></a>]]></summary>
</entry>
<entry>
    <title>Hunger levels have increased across Africa over the last decade</title>
    <id>https://ourworldindata.org/data-insights/hunger-levels-have-increased-across-africa-over-the-last-decade</id>
    <link rel="alternate" href="https://ourworldindata.org/data-insights/hunger-levels-have-increased-across-africa-over-the-last-decade"/>
    <published>2026-04-14T00:00:00.000Z</published>
    <author><name>Esteban Ortiz-Ospina</name></author>
    <summary type="html"><![CDATA[<br/><br/><a href="https://ourworldindata.org/data-insights/hunger-levels-have-increased-across-africa-over-the-last-decade"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/92713fbe-c3e6-44cf-f2ed-39f05492b400/w=608"/></a>]]></summary>
</entry>
<entry>
    <title>The Syrian civil war has killed hundreds of thousands, displaced millions, and caused poor health and widespread poverty</title>
    <id>https://ourworldindata.org/data-insights/the-syrian-civil-war-has-killed-hundreds-of-thousands-displaced-millions-and-caused-poor-health-and-widespread-poverty</id>
    <link rel="alternate" href="https://ourworldindata.org/data-insights/the-syrian-civil-war-has-killed-hundreds-of-thousands-displaced-millions-and-caused-poor-health-and-widespread-poverty"/>
    <published>2026-02-05T00:00:00.000Z</published>
    <author><name>Bastian Herre</name></author>
    <summary type="html"><![CDATA[<br/><br/><a href="https://ourworldindata.org/data-insights/the-syrian-civil-war-has-killed-hundreds-of-thousands-displaced-millions-and-caused-poor-health-and-widespread-poverty"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/01f67802-ecf8-4ef2-b5ad-afb63f790200/w=608"/></a>]]></summary>
</entry>
<entry>
    <title>Malaysia is an outlier: richer than its neighbors but doing worse on child nutrition</title>
    <id>https://ourworldindata.org/data-insights/malaysia-is-an-outlier-richer-than-its-neighbors-but-doing-worse-on-child-nutrition</id>
    <link rel="alternate" href="https://ourworldindata.org/data-insights/malaysia-is-an-outlier-richer-than-its-neighbors-but-doing-worse-on-child-nutrition"/>
    <published>2026-01-17T00:00:00.000Z</published>
    <author><name>Hannah Ritchie</name></author>
    <summary type="html"><![CDATA[<br/><br/><a href="https://ourworldindata.org/data-insights/malaysia-is-an-outlier-richer-than-its-neighbors-but-doing-worse-on-child-nutrition"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/ac94d6f6-886c-4503-1923-68ce904c4d00/w=608"/></a>]]></summary>
</entry>
<entry>
    <title>On every continent, food supplies have grown faster than the population</title>
    <id>https://ourworldindata.org/data-insights/food-supplies-have-grown-even-faster-than-the-population-on-every-continent</id>
    <link rel="alternate" href="https://ourworldindata.org/data-insights/food-supplies-have-grown-even-faster-than-the-population-on-every-continent"/>
    <published>2026-01-06T00:00:00.000Z</published>
    <author><name>Pablo Rosado</name></author><author><name>Max Roser</name></author>
    <summary type="html"><![CDATA[<br/><br/><a href="https://ourworldindata.org/data-insights/food-supplies-have-grown-even-faster-than-the-population-on-every-continent"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/a71a913d-0903-497c-bc76-3ea6b9cbf600/w=608"/></a>]]></summary>
</entry>
<entry>
    <title>Over many generations, better nutrition and lower disease have led to people becoming taller</title>
    <id>https://ourworldindata.org/data-insights/over-many-generations-better-nutrition-and-lower-disease-have-led-to-people-becoming-taller</id>
    <link rel="alternate" href="https://ourworldindata.org/data-insights/over-many-generations-better-nutrition-and-lower-disease-have-led-to-people-becoming-taller"/>
    <published>2025-10-20T04:00:00.000Z</published>
    <author><name>Esteban Ortiz-Ospina</name></author>
    <summary type="html"><![CDATA[<br/><br/><a href="https://ourworldindata.org/data-insights/over-many-generations-better-nutrition-and-lower-disease-have-led-to-people-becoming-taller"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/68005ae0-2049-4935-adad-41a5f1cea400/w=608"/></a>]]></summary>
</entry>
<entry>
    <title>Half of all child deaths are linked to malnutrition</title>
    <id>https://ourworldindata.org/half-child-deaths-linked-malnutrition</id>
    <link rel="alternate" href="https://ourworldindata.org/half-child-deaths-linked-malnutrition"/>
    <published>2024-09-09T05:00:00.000Z</published>
    <author><name>Hannah Ritchie</name></author>
    <summary type="html"><![CDATA[Improving the nutrition of mothers and children could save many lives at a relatively low cost.<br/><br/><a href="https://ourworldindata.org/half-child-deaths-linked-malnutrition"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/f2a5a513-8639-4f2b-21cf-9bbf54057400/w=512"/></a>]]></summary>
</entry>
<entry>
    <title>Progress on reducing global hunger has stagnated</title>
    <id>https://ourworldindata.org/data-insights/progress-on-reducing-global-hunger-has-stagnated</id>
    <link rel="alternate" href="https://ourworldindata.org/data-insights/progress-on-reducing-global-hunger-has-stagnated"/>
    <published>2024-07-17T05:00:00.000Z</published>
    <author><name>Hannah Ritchie</name></author>
    <summary type="html"><![CDATA[<br/><br/><a href="https://ourworldindata.org/data-insights/progress-on-reducing-global-hunger-has-stagnated"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/66eabbf9-1050-4f1d-9fdc-10f344140900/w=608"/></a>]]></summary>
</entry>
<entry>
    <title>End hunger, achieve food security and improved nutrition and promote sustainable agriculture</title>
    <id>https://ourworldindata.org/sdgs/zero-hunger</id>
    <link rel="alternate" href="https://ourworldindata.org/sdgs/zero-hunger"/>
    <published>2023-07-18T14:12:00.000Z</published>
    <author><name>Our World in Data team</name></author>
    <summary type="html"><![CDATA[Sustainable Development Goals Tracker for SDG 2<br/><br/><a href="https://ourworldindata.org/sdgs/zero-hunger"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/bd217e81-84f8-4f32-3014-5d18d2460300/w=512"/></a>]]></summary>
</entry>
<entry>
    <title>Hunger and Undernourishment</title>
    <id>https://ourworldindata.org/hunger-and-undernourishment</id>
    <link rel="alternate" href="https://ourworldindata.org/hunger-and-undernourishment"/>
    <published>2023-06-19T15:02:11.000Z</published>
    <author><name>Hannah Ritchie</name></author><author><name>Pablo Rosado</name></author><author><name>Max Roser</name></author>
    <summary type="html"><![CDATA[What are the consequences of undernourishment and how can we make progress against hunger and undernourishment?<br/><br/><a href="https://ourworldindata.org/hunger-and-undernourishment"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/3e01f62a-24d1-4c03-2759-08a9fd159700/w=512"/></a>]]></summary>
</entry>
<entry>
    <title>How is food insecurity measured?</title>
    <id>https://ourworldindata.org/food-insecurity</id>
    <link rel="alternate" href="https://ourworldindata.org/food-insecurity"/>
    <published>2023-04-27T05:49:24.000Z</published>
    <author><name>Hannah Ritchie</name></author>
    <summary type="html"><![CDATA[Billions of people suffer from food insecurity. What does it mean to be food insecure?<br/><br/><a href="https://ourworldindata.org/food-insecurity"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/ec276527-9cd4-4bd6-a305-01b3afe4dd00/w=512"/></a>]]></summary>
</entry>
<entry>
    <title>What is childhood wasting?</title>
    <id>https://ourworldindata.org/wasting-definition</id>
    <link rel="alternate" href="https://ourworldindata.org/wasting-definition"/>
    <published>2022-02-06T15:56:18.000Z</published>
    <author><name>Hannah Ritchie</name></author>
    <summary type="html"><![CDATA[Childhood wasting is an important indicator of malnutrition. What is it, and how is it measured?<br/><br/><a href="https://ourworldindata.org/wasting-definition"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/56c565d3-3e8f-4337-f469-eaeca7827e00/w=512"/></a>]]></summary>
</entry>
<entry>
    <title>What is childhood stunting?</title>
    <id>https://ourworldindata.org/stunting-definition</id>
    <link rel="alternate" href="https://ourworldindata.org/stunting-definition"/>
    <published>2022-02-04T14:48:18.000Z</published>
    <author><name>Hannah Ritchie</name></author>
    <summary type="html"><![CDATA[Stunting is an important marker of childhood malnutrition. But what is it, and how is it measured?<br/><br/><a href="https://ourworldindata.org/stunting-definition"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/56c565d3-3e8f-4337-f469-eaeca7827e00/w=512"/></a>]]></summary>
</entry>
<entry>
    <title>What is undernourishment and how is it measured?</title>
    <id>https://ourworldindata.org/undernourishment-definition</id>
    <link rel="alternate" href="https://ourworldindata.org/undernourishment-definition"/>
    <published>2022-02-04T10:09:29.000Z</published>
    <author><name>Hannah Ritchie</name></author>
    <summary type="html"><![CDATA[How do we measure the prevalence of hunger across the world?<br/><br/><a href="https://ourworldindata.org/undernourishment-definition"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/106ef17d-211f-447c-baf3-b35d8e210400/w=512"/></a>]]></summary>
</entry>
<entry>
    <title>Almost three billion people cannot afford a healthy diet</title>
    <id>https://ourworldindata.org/diet-affordability</id>
    <link rel="alternate" href="https://ourworldindata.org/diet-affordability"/>
    <published>2021-07-12T10:00:00.000Z</published>
    <author><name>Hannah Ritchie</name></author><author><name>Pablo Rosado</name></author>
    <summary type="html"><![CDATA[A healthy, nutritious diet is much more expensive than a calorie sufficient one.<br/><br/><a href="https://ourworldindata.org/diet-affordability"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/6c422c10-cc58-4659-301f-bd6cb1493f00/w=512"/></a>]]></summary>
</entry>
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