* Country: The number of medical schools and their sizes differ vastly between countries. Developed nations generally have more graduates than developing nations.
* Definition of "pass out": This could refer to graduating from medical school, completing residency, or even becoming fully licensed. These are all distinct milestones.
To get a number, you would need to specify a country or region and clarify what stage of medical training you're referring to. Even then, precise data might be difficult to find, as it's not always centrally collected.