Part 5: The world’s biggest problems and why they’re not what first comes to mind

Answer: Most people in rich countries who aim to do good work on health, poverty, and education in their home country. But health in poor countries is a bigger, more solvable problem, and only receives 4% of charitable donations. And we argue there are even bigger and more neglected issues, such as those involving existential risks and smarter-than-human AI.

Here we explain what we’ve learnt about the world’s most urgent problems.