The state of the world
If your view of the world comes from watching the news and reading newspapers, you could be forgiven for lying awake at night worrying about the future. Apparently, rising violence and population rates mean humans are both killing each other in ever larger numbers and being born at rates the world's resources can't sustain. To make matters worse, all the wealth is concentrated on a handful of people in the world's richest countries. People in low-income countries live in poverty while the West gets richer. Depressing, isn't it? But do the statistics support our negative world view or is the world actually improving? Let's take global population first. It's around 7 billion now, in line with figures predicted by the UN in 1958. By the year 2100, the same experts predict it will be around 11 billion. But did you know that 11 billion is probably as high as that number will get? The rate of increase will slow down in the second half of this century thanks to fallin...