As global fertility rates continue to decline, the world's population is aging faster than ever, and Europe will have the world's largest share of seniors in 25 years. Older adults are making up a growing share of the population in nearly every region, reshaping economies, labor markets and healthcare systems, according to a visualcapitalist.com analysis of how senior populations are expanding worldwide, based on estimates from insurance company AXA. According to the cited source, currently 4%