Billions of people suffer from anemia, but there are cheap ways to reduce this
In some countries, most children and pregnant women are anemic. There are low-cost ways to tackle this.
Latest:Our latest articles, updates and announcements
We've made it much easier to reuse our data
An overview of our new features: enhanced data downloads and the Chart Data API.We now have an Instagram account in Spanish!
¡Ya tenemos una cuenta de Instagram en español!17 key charts to understand the COVID-19 pandemic
The pandemic has resulted in over twenty million deaths. In this article, we review the key insights from global data on COVID-19.How our team at Our World in Data became a global data source on COVID-19
Our small team made COVID-19 data clear, reliable, and accessible to a global audience. This is how it happened.How do countries measure immigration, and how accurate is this data?
Countries estimate how many people move in and out using censuses, surveys, and border records. How accurate are these numbers, and can they account for illegal migration?HPV vaccination: How the world can eliminate cervical cancer
HPV vaccines offer a rare opportunity to effectively eliminate one type of cancer. By taking this opportunity, it’s possible to save hundreds of thousands of women each year.Climate change will affect food production, but here are the things we can do to adapt
Adapting planting dates, selecting better crop varieties, and increasing access to irrigation and fertilizers could offset potential declines in crop yields.Tracking foreign aid around the world
Who gives and receives foreign aid? Which forms does it take? What are examples of when it was (un-)successful?How will climate change affect crop yields in the future?
Maize yields could see significant declines, but wheat could increase. Impacts across the world will be very different.The 2024 Living Planet Index reports a 73% average decline in wildlife populations — what’s changed since the last report?
A guide to understanding the Living Planet Index and what it does and doesn’t mean.Cancers are one of the leading causes of death globally. Are we making progress against them?
Cancer is one of the biggest health challenges worldwide. Around 15% of all deaths are caused by cancer, making it one of the most common causes of death globally.Crop yields have increased dramatically in recent decades, but crops like maize would have improved more without climate change
Climate change has slowed the productivity of key crops such as maize and soybeans, but might have had small positive impacts on wheat.Low-carbon technologies need far less mining than fossil fuels
Mining for coal is much more resource-intensive than renewables or nuclear power.Metals and minerals are vital for modern infrastructure and the energy transition
Discover which countries have these critical resources, where they are mined and refined, and how they’re traded across the world.Which countries have the critical minerals needed for the energy transition?
An overview of the distribution of critical minerals for clean energy.Half of all child deaths are linked to malnutrition
Improving the nutrition of mothers and children could save many lives at a relatively low cost.Many of us can save a child’s life, if we rely on the best data
There are many ways to improve the world, but their cost-effectiveness varies immensely. You can achieve a lot more if you rely on the best data on where to donate.Antipsychotic medications: a timeline of innovations and remaining challenges
Scientists have developed effective and safer antipsychotic medications, but much improvement is still needed.Tracking the extent of homelessness around the world
How many are affected by homelessness in each country? How is their number changing over time?How do global statistics on suicide differ between sources?
To better monitor and prevent suicides globally, it's crucial to understand how they are measured and estimated by different sources.