File:Polity data series map 2003.png - Wikimedia Commons
Quickly play with Polity IV and OECD data (and see the danger of US democracy) | Andrew Heiss
Democracy in the World - World Atlas of Global Issues
Polity: "The USA has dropped below the "democracy threshold" (+6) on the POLITY scale in 2020 and is now considered an anocracy (+5). It has also lost its designation as the world's
USA Downgraded from Democracy to Anocracy ("Part Democracy and Part Dictatorship") posted by Jason Kottke Jan
P4cReports
Center for Systemic Peace - Pardee Wiki
Polity IV Project: Country Reports 2010
A few comments on democracy indices and Turkey | Erik Meyersson
Quickly play with Polity IV and OECD data (and see the danger of US democracy) | Andrew Heiss
Cross-Polity Time-Series Data (MIT Press): 9780262523844: Banks, Arthur S.: Books - Amazon.com
Polity data series - YouTube
Quickly play with Polity IV and OECD data (and see the danger of US democracy) | Andrew Heiss
PolityProject
Vox's CIA-Backed 'Democracy' Standard Is OK With Slavery and Women Not Voting - FAIR
Polity data series - Wikipedia
Mapped: 200 Years of Political Regimes, by Country
File:Polity data series map 2011.svg - Wikimedia Commons
GitHub - andrewheiss/polity-oecd: Quickly play with Polity IV and OECD data (and see the danger of US democracy)