Keele University offers the guide to Politics, Philosophy, International Relations and Environment:

https://www.keele.ac.uk/spire/internationalrelations/on-lineresources/

Several universities offer guides to online political resources; a good one is Reading University’s:

https://libguides.reading.ac.uk/politics/websites

The US Library of Congress provides wide-ranging country studies:

http://www.loc.gov/collections/country-studies

The CIA World Factbook offers political information on every country:

https://www.cia.gov/library/publications/the-world-factbook/

The Europa website provides information on the political institutions and policies of the EU:

https://ec.europa.eu/commission/index_en

The Economist Democracy Index, 2016 Report is available at a copy of the 2016 Index is available at:

http://felipesahagun.es/wp-content/uploads/2017/01/Democracy-Index-2016.pdf