http://www.ftseglobalmarkets.com/news/uk-pension-deficits-rise-to-£145bn-liabilities-at-record-high.html
https://www.instituteforgovernment.org.uk/sites/default/files/publications/IFGJ5327_Report_Brexit_Civil_Service_080317_WEB.pdf
https://uk.news.yahoo.com/maybe-maybe-not-pm-refuses-say-government-will-guarantee-2-5-pension-rise-oaps-131359663.html