Why world's richest man Elon Musk is concerned by big population decline in India, China

Elon Musk has reignited the discussion on global population decline with a simple yet impactful response on X (formerly Twitter). Sharing projections of significant demographic changes by 2100, he highlighted the potential challenges posed by declining fertility rates, aging populations, and emigration. Key nations like China and India are expected to see sharp population reductions, while countries like Nigeria may rise in global influence.