https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef18002en.pdf
https://www.friendsofeurope.org/sites/default/files/media-files/uk_report_web.pdf
http://www.oecd.org/eco/surveys/Turkey-2018-OECD-economic-survey-overview.pdf
http://www.lecese.fr/sites/default/files/pdf/Avis/2018/2018_16_raef_2018.pdf
https://www.brookings.edu/blog/future-development/2018/07/25/europe-is-aging-its-high-time-to-invest-in-youth/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=64762718
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/710147/DATA_-_FINAL.pdf
http://ec.europa.eu/economy_finance/publications/pages/publication16004_en.pdf
https://www.opendemocracy.net/transformation/saskia-brechenmacher/democratic-distress-in-europe-and-usa-transatlantic-malaise?utm_source=Daily+Newsletter&utm_campaign=1017f0eb70-DAILY_NEWSLETTER_MAILCHIMP&utm_medium=email&utm_term=0_717bc5d86d-1017f0eb70-407405485
https://www.nato.int/nato_static_fl2014/assets/pdf/pdf_2018_03/20180315_SG_AnnualReport_en.pdf
https://ec.europa.eu/commission/sites/beta-political/files/customs_controls_0.pdf