Fossil fuels still dominate the global energy mix, but solar and wind are growing quicklyExplore global and national data on how energy systems are changing.By Hannah Ritchie, Pablo Rosado and Max Roser — December 20, 2023
Cardiovascular diseases are the most common cause of death worldwideExplore global data on cardiovascular diseases, their treatments, risk factors, and trends over time.By Saloni Dattani, Veronika Samborska, Hannah Ritchie and Max Roser — December 14, 2023
The world can respond swiftly and effectively to pandemic risks with better understanding, resources, and effortExplore our new data and research on pandemics in history and how we can reduce their risk in the future.By Saloni Dattani, Lucas Rodés-Guirao, Edouard Mathieu, Hannah Ritchie and Max Roser — December 07, 2023
What were the death tolls from pandemics in history?Pandemics have killed millions of people throughout history. How many deaths were caused by different pandemics, and how have researchers estimated their death tolls?By Saloni Dattani — December 07, 2023
Many countries are reducing CO₂ emissions, but global emissions have not yet peakedExplore global and national data on greenhouse gas emissions and their drivers.By Hannah Ritchie, Pablo Rosado and Max Roser — December 05, 2023
Do governments worldwide have the ability to implement their policies and achieve their goals?Explore research and data on state capacity.By Bastian Herre and Pablo Arriagada — November 30, 2023
Life expectancy has increased across the world, but large differences remainPeople are living longer around the world. Explore global data on life expectancy and how it has changed over time.By Saloni Dattani, Lucas Rodés-Guirao, Hannah Ritchie, Esteban Ortiz-Ospina and Max Roser — November 28, 2023
Period versus cohort measures: what’s the difference?What do the terms “period” and “cohort” mean in statistics? How do they differ, and why does it matter?By Saloni Dattani — November 27, 2023
Why do women live longer than men?Women tend to live longer than men in all countries — but the sex gap in life expectancy is not a constant.By Saloni Dattani and Lucas Rodés-Guirao — November 27, 2023
Child mortality has declined, but millions of children still die every year, many from preventable causesExplore a major overhaul of our work on child and infant mortality.By Saloni Dattani, Fiona Spooner, Hannah Ritchie and Max Roser — November 07, 2023
The Human Development Index and related indices: what they are and what we can learn from themResearchers have developed several indices that aim to capture human development. How do they work?By Bastian Herre and Pablo Arriagada — November 01, 2023
How much plastic ends up in the ocean? Where does it come from?Explore global data on plastics and plastic pollution.By Hannah Ritchie, Veronika Samborska and Max Roser — November 01, 2023
Substantial progress on global education, but hundreds of millions of children do not get to go to schoolExplore a major overhaul of our work on global education.By Hannah Ritchie, Veronika Samborska, Natasha Ahuja, Esteban Ortiz-Ospina and Max Roser — October 24, 2023
How different measures capture how common and deadly conflicts are, and when to use which oneThere are several ways to capture how common and deadly armed conflicts are. What are they? And when is which measure best?By Bastian Herre — October 20, 2023
Redesigning our interactive data visualizationsWe have redesigned our interactive visualizations to improve their layout and functionality. Three product and engineering team members discuss the changes and our plans to improve things further.By Marwa Boukarim, Christian Swinehart and Sophia Mersmann — October 18, 2023
How major sources collect data on conflicts and conflict deaths, and when to use which oneThere are many ways to measure armed conflicts and conflict deaths. What approaches do different researchers take? And when is which approach best?By Bastian Herre — October 13, 2023
How does the risk of death change as we age – and how has this changed over time?Death rates decline rapidly after birth but rise again in adolescence. From adulthood onwards, they rise exponentially.By Saloni Dattani — October 13, 2023
Welcoming Rachel Glennerster and Andrew DilnotWe are very excited to share that Rachel Glennerster and Andrew Dilnot have joined our Board of Trustees.By Max Roser and Esteban Ortiz-Ospina — October 02, 2023
Help us build a public good for the world: a letter from our founder, Max RoserOur small, dedicated team of experts is building more than a website; our ambition is to build a public good for the world. In this letter, we explain why your support is crucial for us to achieve our mission.By Max Roser — September 30, 2023
How much CO2 can the world emit while keeping warming below 1.5°C and 2°C?The budget to keep temperatures below 1.5°C is less than a decade of current emissions. For 2°C, it’s less than three decades.By Hannah Ritchie — September 29, 2023
Per capita, national, historical: how do countries compare on CO2 metrics?There are many ways to measure countries’ contributions to climate change. What do they tell us?By Hannah Ritchie, Pablo Rosado and Max Roser — September 27, 2023