Global fertility has almost halved in the past century. Which countries are most resilient, and which have experienced the most dramatic changes over time?
By 2100, the global population is projected to rise from 7.6 billion to 11.2 billion people. This animation shows how that growth will occur by region.
Globally, fertility rates have decreased by about half since 1960. What will happen to the economy when the world's aging population begins to retire?