The current Ebola outbreak in West Africa is the worst ever recorded. Explore the origins of Ebola, how it spreads, and how the global health community is responding at the moment through these infographics.
Here's a collection of some of the best data visualisations on global literacy, mortality, birth rates and more. Good news: Extreme poverty is declining, and life expectancy and incomes are on the up and up. Bad news: There's still lots of work to do!