"With better health and longevity, lower birth rates, and the ageing of baby boomers, the world is seeing a major change in demographic trends. While most discussions about population ageing turn around the sustainability of pension systems, a recent ILO meeting focused on the impact of the greying of societies on labour supply in the retail commerce sector, an industry that has traditionally drawn a large proportion of its workers from people aged 30 and under." (Quoted from article)