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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
Many countries have decoupled economic growth from CO2 emissions, even if we take offshored production into account
It is possible to reduce emissions while growing the economy. But this decoupling needs to happen faster.
By Hannah Ritchie
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
Life expectancy has increased across the world, but large differences remain
People 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
Child mortality has declined, but millions of children still die every year, many from preventable causes
Explore a major overhaul of our work on child and infant mortality.
By Saloni Dattani, Fiona Spooner, Hannah Ritchie and Max Roser
COVID-19 Data Explorer
Explore all of our data on COVID-19 vaccinations, cases, excess mortality, and much more.
By Our World in Data team

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Sustainable Development Goals Tracker

Is the world on track to reach the Sustainable Development Goals?

Teaching Hub

Slides, research, and visualizations for teaching and learning about global development