There are many ways to improve the world, but their cost-effectiveness varies immensely. You can achieve a lot more if you rely on the best data on where to donate.

Scientists have developed effective and safer antipsychotic medications, but much improvement is still needed.

How many are affected by homelessness in each country? How is their number changing over time?

To better monitor and prevent suicides globally, it's crucial to understand how they are measured and estimated by different sources.

Demand is set to triple by 2050. Can it be met in an energy-efficient way?

The world will need to adapt to increased temperatures. What can societies do to save lives?

Deaths in the Middle East and deaths from violence targeting civilians have also been common.

Falling fertility rates, migration movements, and China’s population decline.

Cold deaths vastly outnumber heat-related ones, but mostly due to “moderate” rather than extremely cold conditions.

Climate change will have very unequal impacts, with fewer deaths at higher latitudes but increased heatwave deaths across the tropics.

Despite progress, same-sex marriage, adoption, gender marker changes, and third genders remain unrecognized in many countries. Some have even imposed more regressive policies.

The world has seen a large decline in trachoma, but millions are still at risk. How can we make more progress against it?

Neglected tropical diseases affect millions of people despite the existence of cheap interventions to control them.

Eating meat with a lower carbon footprint often means killing more animals and treating them more poorly.

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.