We live in a time of cultural pessimism - in other words, many people want to believe that today is worse than yesterday, that our world is in decline.
I don't agree, and like to find evidence that suggests otherwise.
The chart to the left shows that death rates amongst the poor in the world have declined sharply in the last fifty years.
It's from UN figures and is part of larger, and interesting piece published earlier this year, on food prices and their impact on death rates.
13 hours ago