More and more of the world can look forward to surviving into longer life. But what’s just beginning to dawn on the experts, the policymakers and billions of individuals is how all this will relate to other major changes, like women’s rights, migration and chronic disease.

How will it influence the choices we make, the way we approach the stages of life, beginning with the decision whether to have children?

In this BBC programme Chris Bowlby tests big trends predicted for the future against very personal accounts of how people shape their lives. Show less