IELTS Speaking Band Descriptors Explained (Bands 5 to 9)

Every IELTS Speaking score comes from the same place: four criteria, each marked out of 9, by an examiner following a fixed set of band descriptors. Those descriptors are public. Yet most candidates have never read them properly — which means they are trying to hit a target they cannot actually see.

That is a real problem, because the descriptors tell you precisely what the examiner is listening for. Once you understand them, feedback stops feeling arbitrary. You stop guessing why you keep getting 6.5 and start seeing, concretely, which habits are holding you at that level and which ones would move you up.

This guide walks through the IELTS Speaking band descriptors from Band 5 to Band 9, criterion by criterion, in plain English. It focuses on what examiners actually reward at each level — and on the single most important jump for most candidates: the difference between a Band 6 and a Band 7.

How is your IELTS Speaking band score calculated?

Your speaking band is the average of four equally weighted criteria, rounded to the nearest half band. No single criterion counts more than another — each is worth 25% of your result.

The examiner listens throughout the whole test — Parts 1, 2 and 3 — and assigns one band from 0 to 9 for each criterion. Those four numbers are then averaged. The rounding matters more than people expect: an average ending in .25 rounds up to the next half band, and an average ending in .75 rounds up to the next whole band. So an average of 6.25 becomes 6.5, and 6.75 becomes 7.0.

Here is what that looks like when one criterion lags behind the others:

Three sevens and a single six average to 6.75, which rounds up to a final band of 7.0. But drop one more criterion to a six and you get an average of 6.5. This is why chasing an overall band means finding your weakest criterion and lifting it — not polishing the one you are already strongest in. A quick way to see how your four criteria are sitting today is to run a mock through an IELTS band score predictor and read the per-criterion breakdown.

What are the four IELTS Speaking criteria?

The four criteria measure different things, and each has its own set of fixes. Confusing them is the most common reason candidates practise hard and see no movement.

• Fluency and Coherence (FC) — how smoothly you speak and how logically your ideas connect. This is about flow, not speed.
• Lexical Resource (LR) — the range and precision of your vocabulary, including collocation and paraphrase.
• Grammatical Range and Accuracy (GRA) — the variety of sentence structures you use and how often they are correct.
• Pronunciation (P) — how easy you are to understand, and your control of stress, rhythm and intonation.

Let's go through each one from Band 5 to Band 9, so you can hear where you currently sit.

What do examiners reward in Fluency and Coherence?

Fluency and Coherence rewards speaking at length without breaking down, and linking your ideas so the listener can follow them easily. It is not about talking fast.

• Band 5 — You usually keep going, but you rely on repetition, self-correction or slow speech to do it. Simple ideas come out fluently; anything more complex causes hesitation. Connectives are limited and sometimes overused ("and then... and then...").
• Band 6 — You are willing to speak at length, but you lose coherence at times through repetition, self-correction or hesitation. You use a range of linking words, though not always in the right place.
• Band 7 — You speak at length without noticeable effort or loss of coherence. Any hesitation is to find an idea, not to find the words. You use connectives and discourse markers flexibly.
• Band 8 — You speak fluently with only occasional repetition or self-correction. You develop topics coherently and appropriately, and hesitation is almost always content-related.
• Band 9 — Speech is effortless. Repetition or self-correction is rare, cohesion is fully natural, and you develop every topic fully.

What do examiners reward in Lexical Resource?

Lexical Resource rewards choosing the right word naturally and discussing a variety of topics without running out of language. It is not a test of rare or "impressive" words.

• Band 5 — You can talk about familiar and unfamiliar topics, but your vocabulary is inflexible. You attempt paraphrase with mixed success and lean on general words like "good", "bad" and "thing".
• Band 6 — Your vocabulary is wide enough to discuss topics at length and make meaning clear, despite some inappropriate choices. You generally paraphrase successfully.
• Band 7 — You use vocabulary flexibly across a variety of topics, bring in some less common and idiomatic language, and show awareness of collocation and style — with the occasional wrong choice.
• Band 8 — You use a wide vocabulary readily and flexibly to convey precise meaning, handle less common and idiomatic words skilfully, and paraphrase effectively.
• Band 9 — Vocabulary is used with full flexibility and precision on every topic, and idiomatic language sounds completely natural.

The Band 6-to-7 move here is about collocation and precision, not size. Saying "a significant challenge" instead of "a big problem", or "it plays a crucial role" instead of "it is very important", signals control even when the rest of your grammar is imperfect.

What do examiners reward in Grammatical Range and Accuracy?

Grammatical Range and Accuracy rewards using a variety of sentence structures while keeping them correct. The key word at the top bands is range delivered accurately, not complexity for its own sake.

• Band 5 — You produce basic sentence forms fairly accurately, but your limited range of complex structures usually contains errors that can occasionally block understanding.
• Band 6 — You use a mix of simple and complex structures with limited flexibility. Complex sentences often contain mistakes, though these rarely stop the listener understanding you.
• Band 7 — You use a range of complex structures with some flexibility and frequently produce error-free sentences, even if some mistakes persist.
• Band 8 — You use a wide range of structures flexibly and produce a majority of error-free sentences, with only very occasional slips.
• Band 9 — Structures are used naturally and appropriately throughout, and errors are limited to the kind of slips a native speaker might make.

What do examiners reward in Pronunciation?

Pronunciation rewards being easy to understand and controlling features like word stress, sentence stress, rhythm and intonation. Examiners do not assess how "native" you sound.

• Band 5 — You show some pronunciation features but with limited control, and mispronunciations regularly reduce clarity, so the listener has to work at times.
• Band 6 — You use a range of pronunciation features with mixed control. There is some effective use, but it is not sustained, and individual words are sometimes mispronounced enough to reduce clarity.
• Band 7 — You show all the positive features of Band 6 plus some of Band 8: a wider range of features, more effective use of stress and intonation, and clarity that holds up across the test.
• Band 8 — You use a wide range of features and sustain them flexibly. You are easy to understand throughout, and your first-language accent barely affects intelligibility.
• Band 9 — Pronunciation features are used with precision and subtlety throughout, and you are effortless to understand.

A strong regional accent is completely compatible with Band 7 and above. What holds candidates at Band 6 is flat, monotone delivery and weak word stress — not the accent itself.

What is the real difference between Band 6 and Band 7?

Band 7 is where "I can communicate" becomes "I communicate with control". The examiner stops noticing effort and starts noticing organisation.

Put the two side by side and four differences stand out:

1. Flow. The Band 6 answer stalls mid-sentence to find words. The Band 7 answer keeps moving; any pause happens at a natural thinking point.
2. Shape. A Band 7 answer has a point, a reason, an example and often a short conclusion. A Band 6 answer is usually a set of ideas that stop when they run out.
3. Accuracy. Band 7 frequently produces error-free sentences. Band 6 makes frequent small errors, especially in complex structures.
4. Word choice. Band 7 reaches for the precise word and the right collocation. Band 6 makes meaning clear but leans on general vocabulary.

You do not need all four to jump at once. Because the final band is an average, lifting your two weakest criteria by half a band each is often enough to push a 6.5 to a 7.0.

How do you move up half a band?

Target your lowest criterion first, and fix one specific habit at a time rather than trying to improve everything at once. Half-band jumps come from focused correction, not from general practice.

Here is the loop that works: take a full, timed mock; read the feedback criterion by criterion; identify the single lowest score; drill that one skill for fifteen to twenty minutes; then retest. If fluency is lowest, practise answering with no more than a two-second gap before you start. If grammar is lowest, take one recurring error and write ten correct sentences using the same structure on different topics. If vocabulary is lowest, build a collocation list for common topics like education, technology and the environment.

The reason this beats generic study is that it turns the descriptors into a to-do list. Detailed, criterion-by-criterion IELTS Speaking feedback tells you which band you are sitting at for each skill and shows you examples from your own answers, so every practice session has a clear purpose. You can build the same habit for free using the practice sets in our IELTS practice library.

Summary

The IELTS Speaking band descriptors are not a secret — they are a map. Your final band is the average of four equally weighted criteria, so the fastest route up is to find your weakest one and lift it. Fluency and Coherence rewards smooth, connected speech; Lexical Resource rewards precise, well-collocated vocabulary; Grammatical Range and Accuracy rewards varied structures used correctly; and Pronunciation rewards clarity and control, not a native accent.

The gap between Band 6 and Band 7 comes down to flow, shape, accuracy and word choice. Fix the specific habits behind your lowest criterion, retest, and repeat. Do that consistently and the descriptors stop being an abstract grading grid and become the clearest study plan you have.