A deep dive into missing data and the limitations of disaster databases.

To reach the goal of polio eradication, we can use new vaccines to contain outbreaks and improve testing, outbreak responses, and sanitation.

Deaths from disasters have fallen, but we need to build even more resilience to ensure this progress doesn’t reverse.

Maternal mortality rates appear to have risen in the last 20 years in the US. But this reflects a change in measurement rather than an actual rise in mortality.

Every ten seconds, one child is saved by a vaccine against a fatal disease.

Thanks to improvements in global health, more than 100 million children have been saved since 1990.

All countries now have policies, but not all work as intended. Some drive trade-offs or lead to spillover impacts elsewhere, but there are many examples of successful stories.

How are global temperatures changing, and what are the impacts on sea level rise, sea ice, and ice sheets?

Aviation accounts for 2.5% of global CO₂ emissions. But it has contributed around 4% to global warming to date.

Explore global and country-level data on the extent of wildfires and how they’ve changed over time.

The majority of people in every country support action on climate, but the public consistently underestimates this share.

Explore global and national data on armed conflicts and deaths in them, and how they are changing.

Explore country-by-country data on monthly temperature anomalies.

A four-day forecast today is as accurate as a one-day forecast 30 years ago.

Women have gained the right to vote and sit in parliament almost everywhere. But they remain underrepresented, especially in the highest offices.

Discover our bite-sized format focused on one chart.

A future in which humanity produces more food on less land is not inevitable, but possible.

Here’s what’s changed, what hasn’t, and some of the thinking behind the new design.

Explore data on electric car sales and stocks worldwide.

Nuclear weapons can kill millions directly and, through their impact on agriculture, likely have the potential to kill billions.

A generation ago, poliomyelitis paralyzed hundreds of thousands of children every year. Many countries have now eliminated the disease, and our generation has the chance to eradicate it entirely.