As 2013 draws to a close, pollsters have been finding out how people across the world feel about the state of their lives and the coming 12 months. Here, the BBC's world affairs correspondent, Paul Adams, analyses the findings.
Charts
Charts
“If you trust in yourself, and believe in your dreams, and follow your star. . . you'll still get beaten by people who spent their time working hard and learning things and weren't so lazy.”