The erosion of democracies in countries like Turkey, Brazil, Phillipines, Egypt, Honduras, Russia and Venezuela have slipped into authoritarian regimes. This is not driven by social norms but institutional norms that reside in their national constitutions. These nations were typically former authoritarian regimes that transitioned to a democracy which left them implementing safeguards for the elites and allows for political repression of their opposition. This tendcy to slip into authoritarianism can be counteracted but requires mass mobilization, benevolvent leadership, and trust in democracy in order to override these slippage.
Please link here for the full piece by Prof. Menaldo and colleage Michael Albertus in the opinion section of The New York Times.