Europe's aging population is a serious issue and it will stress its various pension systems.<ref>[https://www.gfmag.com/magazine/julyaugust-2004/cover-story-the-looming-pensions-crisis Looming pension crisis]</ref> | Europe's aging population is a serious issue and it will stress its various pension systems.<ref>[https://www.gfmag.com/magazine/julyaugust-2004/cover-story-the-looming-pensions-crisis Looming pension crisis]</ref> |