Not really an answer to your question, but many would argue that the term "authoritarian" in its modern connotation is practically useless. What I mean is that there is no single definition of the term which is specific enough to be applied and understood in the context of a specific country, political system, etc. While certain academic disciplines attempt to agree on specific definitions, the reality is that most colloquial usage of the term is solely to demonize nations or ideologies without meaningful critique. Here's one of many articles on the subject, which I think gives a decent overview: https://www.peoplesline.org/p/authoritarian-is-an-analytically