The International English Language Testing System, or IELTS is an international standardized test of English language proficiency for non-native English language speakers.IELTS is one of the major English-language tests in the world. IELTS is accepted by most Australian, British, Canadian, Irish and New Zealand academic institutions, by over 3,000 academic institutions in the United States, and by various professional organizations across the world. IELTS is the only Secure English Language Test approved by UK Visas and Immigration (UKVI) for visa customers applying both outsides and inside the UK. It also meets requirements for immigration to Australia, where the TOEFL and Pearson Test of English Academic are also accepted. In Canada and Newzeland also IELTS is accepted by the immigration authority.