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 around the world – 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
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 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
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
How many animals get slaughtered every day?Hundreds of millions of animals get killed for meat every day.By Max Roser — September 26, 2023
We published a new topic page on animal welfareHow many animals are slaughtered every year? How do welfare standards vary across the world? Explore data and research on animal welfare.By Hannah Ritchie, Pablo Rosado and Max Roser — September 25, 2023
We updated our topic page on artificial intelligenceOur page on artificial intelligence has been enriched with key insights and 23 new charts.By Charlie Giattino, Edouard Mathieu, Veronika Samborska and Max Roser — September 21, 2023
We published a new topic page on causes of deathTo find ways to save lives, it’s essential to know what people are dying from. Explore global data and research on causes of death.By Saloni Dattani, Fiona Spooner, Hannah Ritchie and Max Roser — September 05, 2023
We published a new topic page on terrorismExplore key insights, 4 articles, and 25 charts on terrorism and how it has changed over time.By Bastian Herre, Veronika Samborska, Hannah Ritchie, Joe Hasell, Edouard Mathieu and Max Roser — August 30, 2023
The Global Terrorism Database: how do researchers measure terrorism?There are different approaches to measuring terrorism. Here is the approach of the Global Terrorism Database, a leading source of terrorism data.By Bastian Herre — August 16, 2023
How do researchers estimate the death toll caused by each risk factor, whether it’s smoking, obesity, or air pollution?Risk factors are important to understand because they can help us identify how to save lives. How do researchers estimate their impact?By Saloni Dattani — August 09, 2023
How are causes of death registered around the world?In many countries, when people die, the cause of their death is officially registered in their country’s national system. How is this determined?By Saloni Dattani — August 09, 2023