No, there is no requirement regarding any training to become a leader of a huge country.
Explanation:
- There is a change in qualification according to the country"s laws, it may include citizenship, Religion, Sex of the candidate, etc.
- The leaders must come beneath those requirements only, at the same time no leaders demand to work in a tiny country to rule a large country.
- For example, the United States of America should some conditions to be a leader for that country, some of them are, he or she need to be a natural-born citizen of that country.
- And existed there for 14 years and individual candidates have to above the age of 35.