https://worldpopulationreview.com/
http://www.oecd.org/std/Hows-Life-2017-60-second-guide.pdf
http://blogs.lse.ac.uk/brexit/2018/01/04/what-euroscepticism-looks-like-in-central-and-eastern-europe/
https://www.weforum.org/agenda/2020/05/covid-19-global-risk-landscape/