What share of people say they are vegetarian, vegan, or flexitarian?Most people still eat some meat, but surveys suggest that many are adopting a diet with less animal products.By Edouard Mathieu and Hannah Ritchie — May 13, 2022
The largest mammals have always been at the greatest risk of extinction – this is still the case todayHumans hunted many of the world’s large mammals to extinction. This threat still exists today, but it doesn’t have to be that way.By Hannah Ritchie — May 09, 2022
We just did our annual update of global Polio dataThe world is close to eradicating polio. Explore the latest data on polio cases in 2021.By Saloni Dattani and Fiona Spooner — April 28, 2022
Humans destroyed forests for thousands of years – we can become the first generation that achieves a world in which forests expandWhy has humanity destroyed such vast forests? And how can we bring this to an end?By Max Roser — April 20, 2022
We just published our IPCC Climate Scenario ExplorerExplore the assumptions of global shared socioeconomic pathways used in IPCC scenarios.By Hannah Ritchie — April 13, 2022
We just did our annual update of global electricity dataExplore how electricity sources changed across the world in 2021.By Pablo Rosado and Hannah Ritchie — April 11, 2022
War in UkraineExplore our data and resources which are relevant context for the war in Ukraine.By Hannah Ritchie, Edouard Mathieu and Max Roser — April 07, 2022
At what age do people experience depression for the first time?People are being diagnosed with depression at an earlier age than in the past because of increased openness to mental health disorders and improved diagnostic guidelines.By Saloni Dattani — April 07, 2022
Increasing agricultural productivity across Sub-Saharan Africa is one of the most important problems this centuryAgricultural productivity across Sub-Saharan Africa needs to improve to reduce hunger, poverty, and the destruction of biodiversity.By Hannah Ritchie — April 04, 2022
How could the war in Ukraine impact global food supplies?Both Ukraine and Russia are some of the world’s largest food exporters. How could global food be impacted?By Hannah Ritchie — March 24, 2022
Malaria: One of the leading causes of child deaths, but progress is possible and you can contribute to itWe do not have to live in a world in which 1320 children die from a preventable disease every day.By Max Roser — March 22, 2022
The International Energy Agency publishes the detailed, global energy data we all need, but its funders force it behind paywalls. Let's ask them to change it.For energy security and progress on climate change we need open data on energy. The funders of the IEA can make this happen.By Max Roser and Hannah Ritchie — March 18, 2022
The future is vast – what does this mean for our own life?If we manage to avoid a large catastrophe, we are living at the early beginnings of human history.By Max Roser — March 15, 2022
We just published our new Migration Data ExplorerExplore global data on immigration, refugees and asylum seekers.By Fiona Spooner and Hannah Ritchie — March 09, 2022
Migration data: our sources and definitionsWhere does our migration data come from? How are these metrics defined?By Hannah Ritchie and Fiona Spooner — March 08, 2022
New Data Explorer: Where do people migrate from and to?Explore global migration data, country-by-country.By Fiona Spooner, Marcel Gerber and Hannah Ritchie — March 08, 2022
Nuclear weapons: Why reducing the risk of nuclear war should be a key concern of our generationThe consequences of nuclear war would be devastating. Much more should – and can – be done to reduce the risk that humanity will ever fight such a warBy Max Roser — March 03, 2022
Employment in agriculture: data sources and definitionsHow do we produce long-term datasets on agricultural employment?By Hannah Ritchie — February 16, 2022
Why randomized controlled trials matter and the procedures that strengthen themRandomized controlled trials are a key tool to study cause and effect. Why do they matter and how do they work?By Saloni Dattani — February 10, 2022
CO₂ emissions dataset: our sources and methodsHow do we construct our global data on CO₂ emissions?By Hannah Ritchie — February 09, 2022
FAQs on the environmental impacts of foodCommon questions on data on the environmental footprint of foodsBy Hannah Ritchie — February 07, 2022