Nearly 47 million people are living with dementia globally, up from 35 million in 2009.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/study-47-million-have-dementia-globally-double-every-20-years
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/shanghai-daily-china
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mental-health
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diseases
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/global