Bibliography (7):

1. https://x.com/_dbp_/status/1663258029704327168

2. https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4327307

3. https://x.com/kailmarkvart/status/1663141977787969539

4. Wikipedia Bibliography:

   1. https://en.wikipedia.org/wiki/The_Economist_Democracy_Index  :

      https://en.wikipedia.org/wiki/The_Economist_Democracy_Index

   2. https://en.wikipedia.org/wiki/Freedom_in_the_World  :

      https://en.wikipedia.org/wiki/Freedom_in_the_World

   3. https://en.wikipedia.org/wiki/Polity_data_series  :

      https://en.wikipedia.org/wiki/Polity_data_series

   4. https://en.wikipedia.org/wiki/Varieties_of_Democracy_Project  :

      https://en.wikipedia.org/wiki/Varieties_of_Democracy_Project