IELTS

Do I still need IELTS if English is my first language?

Short answer

Usually yes. Being a fluent or first-language English speaker almost never exempts you, because most immigration authorities and universities recognise a short list of countries only, and Nigeria, Ghana and Kenya are generally not on it. Fluency also does not guarantee a high band: the exam scores how well you handle its format, not how well you speak.

Why speaking English is not the same as being exempt

Immigration authorities do not assess your English individually. They apply a list. The UK Home Office, IRCC in Canada and the Australian Department of Home Affairs each publish a set of countries whose nationals may be treated as majority-English-speaking, and those lists are short. They were drawn up for administrative simplicity, not as a judgement about how anyone actually speaks.

The UK's list is a good example. For a Student visa, nationals of these countries are exempt: Antigua and Barbuda, Australia, the Bahamas, Barbados, Belize, the British overseas territories, Dominica, Grenada, Guyana, Ireland, Jamaica, Malta, New Zealand, St Kitts and Nevis, St Lucia, St Vincent and the Grenadines, Trinidad and Tobago, the UK and the USA, with separate provision for Canadians.

Nigeria is not on it. Neither is Ghana, Kenya, Uganda, South Africa or any other African country where English is an official language and the entire education system runs in it. That is why a Nigerian doctor who has practised in English for twenty years, taught in English and published in English is still asked for a band score, while somebody from a listed country is not. It is frustrating and it is not really about you.

The exemptions that do exist

There are narrower routes that sometimes work, and they are worth checking before you book a test:

A degree taught in English. Many UK universities, and some visa routes, accept a degree that was taught and assessed in English, usually with a letter from the institution confirming it. Whether it is accepted depends on the specific university or visa, not on a general rule.
A previous accepted test. If you already hold a valid score from an accepted test, you may not need to sit again. Most scores expire after two years.
Professional registration already held. Some regulators waive the language test if you are already registered in a country they recognise.

Check the exemption against the exact visa route or institution you are applying to, on their own website, before you rely on it. General advice about exemptions is wrong more often than it is right, because the rules differ by route and change without much notice.

Why fluent speakers still land on 6.5

This is the part that surprises people. IELTS is not a conversation. It is a timed, format-driven exam with a published marking rubric, and it rewards knowing that rubric.

Reading punishes people who answer from general knowledge. True / False / Not Given in particular catches strong readers, because they infer what a sentence implies rather than checking only what the passage states.
Writing is marked against four criteria, and most people have never read them. You can write natural, correct English and still be capped because you did not address every part of the task, or your paragraphing does not show a clear line of argument.
Listening gives you no second chance and marks spelling. A perfectly heard answer written with an added s scores zero.
Speaking rewards extended, structured answers. Speaking naturally and briefly, the way you would with a colleague, reads as underdeveloped to an examiner working from the band descriptors.

None of that is an English problem. It is an exam-format problem, and it is learnable in far less time than most preparation courses assume.

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