About: http://webisa.webdatacommons.org/231932693

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Some reasons for this are natural (baby boomers aging), others are social (medicine and changes in cultural practices keeping us alive longer) while still others are a mix of both (fertility rates declining).
http://www.w3.org/ns/prov#wasQuotedFrom	oup.com