The world that the New Internationalist describes has changed radically over the 40 years the magazine has been in existence – and not always in the ways it would have wished. Here we use some of the magazine’s time-honoured ways of presenting statistics to chart some of the changes.

There are almost twice the number of people on the planet today that there were in 1970. And yet world population growth has slowed much faster than was envisaged in 1970. Fertility rates have fallen steeply over the period.