Birth rates are collapsing, not just in rich countries, but everywhere from Mexico to Tunisia. The FT's John Burn-Murdoch joins us to unpack the surprising culprit, why young people aren't just having fewer kids, they're not even coupling up, and what it means for the future of work, wealth,&nbsp;<hr><p style='color:grey; font-size:0.75em;'> Hosted on Acast. See <a style='color:grey;' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for more information.</p>