World’s Most Educated Countries and Their Main Common Characteristics

What do the world’s top 10 countries with most educated population have in common?

https://erudera.com/resources/worlds-most-educated-countries-their-main-common-characteristics/

35 Most Educated Countries in the World in 2023

https://finance.yahoo.com/news/35-most-educated-countries-world-084029043.html

 List of most educated countries in the world: Know where India stands  

South Korea has the highest percentage of educated persons.

https://www.siasat.com/list-of-most-educated-countries-in-the-world-know-where-india-stands-2710521/