Even if market researcher Joey Lau were a millionaire and could devote all her time to her family, she still would not want children. The 34-year-old Singaporean said the risks facing young people today – from social media-driven mental health pressures to climate change – were too high to justify bringing a child into the world. “I feel like the only reason that I would want to have a child is because it’s cute, it would give shape to my life and my parents would be very happy because they want...