There are several international tests or entrance exams that the graduate students take every year on the hopes of getting into a standard University abroad. Like GRE, IELTS, TOEFL is an entrance exam that gains the student permission to enter a University evaluated by his/her talent through the passing of exam. TOEFL is Test Of English as Foreign Language. It tests the English skills of a candidate and qualifies the candidate for survival in the English based countries like USA, UK, New Zealand, Australia and Canada. USA and UK are the countries that rely more on TOEFL, while countries like New Zealand, Australia and Canada give preference to IELTS. The Universities that approve the TOEFL based entrance exams list can be found in http://www.ets.org/Media/Tests/TOEFL/pdf/univo708.pdf.
There are about 165 countries with 4,500 TOEFL test centers all over the world. So TOEFL has a wide