What groups are countries divided into according to the level of economic development?

Countries are divided into economically developed, developing, countries with economies in transition
Economically developed: Italy, Canada
Developing: Brazil, Iraq
Economies in transition: Kazakhstan, Belarus



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.