How many Eurasian countries are there?

Eurasia is a vast region that encompasses both Europe and Asia, and it includes a diverse range of countries. There are approximately 90 countries that can be considered part of Eurasia, depending on how one defines the boundaries between Europe and Asia. This includes well-known nations like Russia, China, and India, as well as smaller countries in Central Asia and the Caucasus. The exact count may vary based on differing geographical and political interpretations.