What are the levels of success intests, works... of English proficiency?

Answer 1

See the link below for an equivalency table showing how common ESL exams compare to one another.

Answer 2

sometimes it seems to me that there is nothing in this world without proficiency in English. Communication skills in English is a must in this present world for people to communicate with each other. even successful engineers,doctors and entrepreneurs need good proficiency in English.

Answer 3

High-Intermediate level English ability is recommended for: business professionals; secretaries; engineers; research assistants; airline flight attendants; airline pilots; air traffic controllers; customs officials; tour guides; foreign affairs police; news media personnel; information management personnel.

Listening
An examinee who passes this level can understand conversations in social settings and grasp the general meaning of lectures, news reports, and TV/radio programs. At work, he/she can understand brief reports, discussions, product introductions, and operating instructions.
　
Reading
An examinee who passes this level can read written messages, instruction manuals, newspapers, and magazines. At work, he/she can read general documents, abstracts, meeting minutes, and reports.
　
Writing
An examinee who passes this level can write general work-related reports and messages. In addition to topics related to daily life, he/she can write about current events and more complex or abstract subjects.
　
Speaking
An examinee who passes this level can fluently express his/her opinion about issues he/she is interested in. At work, he/she can socialize with native English speakers; explain the contents of a task or project; conduct business transactions and participate in discussions; give brief reports or express his/her opinions in a meeting.

--------------------
Advanced level English ability is recommended for: high-level business professionals; negotiators in business and government; English language teachers; researchers; translators; foreign affairs officials; international news personnel.

Listening
An examinee who passes this level can understand conversations on all sorts of topics as well as debates, lectures, news reports, and TV/radio programs. At work, when attending meetings or negotiations, he/she can understand reports and discussions.　

Reading
An examinee who passes this level can understand all sorts of written English from a wide variety of sources, including magazine and newspaper articles, literature, professional periodicals, and academic publications.
　
Writing
An examinee who passes this level can use English appropriately in writing several text types—such as reports, essays, news items or summaries of general/professional topics—and to be able to translate news articles or excerpts from books on general topics. They can express their opinions on different topics and discuss them in depth.

Speaking
An examinee who passes this level can participate in discussions on, and fluently express his/her opinions about all sorts of issues. He/she can give reports or express his/her opinions in general meetings or professional seminars.

---------------------
Superior English ability is recommended for: interpreters; overseas correspondents working for news agencies; foreign diplomats; high-level negotiators in business and government.

Listening
An examinee who passes this level can understand spoken English on a wide variety of topics, from a wide variety of sources. Comprehension is nearly equivalent to that of a native English speaker who has received higher education.
　
Reading
An examinee who passes this level can understand all sorts of written English on a wide variety of topics, from a wide variety of sources. Reading speed and comprehension are nearly equivalent to those of a native English speaker who has received higher education.
　
Writing
An examinee who passes this level can write many different types of documents, including proposals and reports, professional or academic abstracts, theses, news reports and editorials on current events. He/she can completely and effectively elaborate on, and carry out in-depth investigations into all sorts of subjects.
　
Speaking
An examinee who passes this level can express himself/herself in correct and fluent English in all kinds of situations. He/she can make appropriate use of cultural knowledge and idiomatic expressions.