1. United Nations Department of Economic and Social Affairs. Population Divison, Population Estimates and Projections Section [Internet]. 2017. Available from: http://esa.un.org/unpd/wpp/unpp/panel_population.htm [Accessed: Aug 10, 2017]
2. Eurostat. Europop2010: Population Projections. [Internet]. 2017. Available from: http://epp.eurostat.ec.europa.eu/statistics_explained/index.php/Population_projections [Accessed: Aug 10, 2017]
3. European Commission. Ageing Well in the Information Society. An i2010 Initiative Action Plan on Information and Communication Technologies and Ageing [Internet]. 2007. Available from: http://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=LEGISSUM:l24292&from=EN [Accessed: Aug 10, 2017]
4. Jespen M, Leschke K. Social protection and the social reality of Europe. In: Jesepen M, editor. Benchmarking Working Europe 2008. 1st ed. Brussels: ETUI-REHS Documentation Centre; 2008. p. 58-66
5. Dimovski V, Žnidaršič J. Economic aspects of population ageing in Slovenia: How to mitigate the consequences with the approach of active ageing. Kakovostna starost. 2007;10:2-15