1. Global Age Watch Index 2015http://www.helpage.org/global-agewatch/
2. Family Planning/Contraceptionhttp://www.who.int/mediacentre/factsheets/fs351/en/
3. Are You Ready? What You Need to Know about Ageing. World Health Dayhttp://www.who.int/world-health-day/2012/toolkit/background/en/
4. U.S. Health Care Costs Rise Faster Than Inflationhttp://www.forbes.com/sites/mikepatton/2015/06/29/u-s-health-care-costs-rise-faster-than-inflation/#1384765c6ad2