A profound demographic and economic shift is sweeping through Asia, quietly rewriting the rules of national development. The traditional paradigm of treating population ageing as a passive fiscal burden is being dismantled as Beijing makes the “silver economy” and proactive ageing strategies the pillars of national security and economic growth. China’s population aged 60 and above reached 320 million last year, accounting for 23 per cent of its citizenry. This is projected to climb to 400...