Human fertility rates are declining fast and in twenty years or so the global population will go down fast – not just in affluent countries but in the world as a whole. While many may welcome that outcome, Professor John Aitken who has just written The Infertility Trap: Why Life Choices Impact Your Fertility and Why We Must Act Now (Cambridge UP, 2022), argues that a rapid fall in the numbers of people on earth could cause havoc.

Owen Bennett-Jones is a freelance journalist and writer. A former BBC correspondent and presenter he has been a resident foreign correspondent in Bucharest, Geneva, Islamabad, Hanoi and Beirut. He is recently wrote a history of the Bhutto dynasty which was published by Yale University Press.

Learn more about your ad choices. Visit megaphone.fm/adchoices