The International English Language Testing System (IELTS) is the world’s most widely-used English language proficiency assessment, administered jointly by the British Council, IDP: IELTS Australia, and Cambridge English Assessment. IELTS measures listening, reading, writing, and speaking across a 0–9 band scale. It is accepted by universities in the UK, Australia, Canada, New Zealand, the US, and dozens of other countries for student visa applications and higher education admissions. The test is offered in two modules—Academic (for university study) and General (for immigration and vocational purposes)—and results remain valid for two years.
Key facts
| Attribute | Details |
|---|---|
| Full name | International English Language Testing System |
| Administering body | British Council, IDP: IELTS Australia, Cambridge English Assessment (joint ownership) |
| Format | Paper or computer-based (IELTS on Computer); speaking module delivered face-to-face |
| Total duration | 2 hours 45 minutes |
| Score scale | 0–9 bands (0.5-point increments) |
| Pass/fail | No pass/fail; results reported as band score and CEFR level (A1–C2) |
| Validity period | 2 years from test date |
| Cost (USD) | ~USD $215–$280 (varies by country and delivery mode) |
| Number of attempts | Unlimited; candidates typically retake 0–3 times |
| Result turnaround | 3–5 days (standard); some centres offer expedited results |
Score structure
IELTS is divided into four skills, each scored 0–9:
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Listening (40 minutes, 40 items). Candidates hear four recordings (native speakers in various accents) and answer multiple-choice, short-answer, form-completion, and matching questions. Tests comprehension of main ideas, details, opinions, and inferences. Score reflects overall listening accuracy.
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Reading (60 minutes, 40 items). Academic module uses three passages of 650–900 words from books, journals, and periodicals; General module uses everyday texts (advertisements, manuals). Task types include multiple choice, True/False/Not Given, heading matching, and summary completion. Score reflects reading speed and comprehension accuracy.
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Writing (60 minutes, two tasks).
- Task 1: Academic candidates describe data (chart/table/diagram) in 150+ words; General candidates write a letter in 150+ words.
- Task 2: Both write a persuasive/discursive essay in 250+ words.
- Scored on Task Achievement/Response, Coherence & Cohesion, Lexical Range, and Grammatical Accuracy.
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Speaking (11–14 minutes). One-to-one conversation with an examiner across three parts: introduction (4–5 min), topic card (3–4 min), abstract discussion (4–5 min). Scored on Fluency & Coherence, Lexical Range, Grammatical Accuracy, and Pronunciation.
Overall band score is the average of the four skills rounded to the nearest 0.5.
Accepted by
- UK universities and immigration: All Russell Group and mainstream universities; UKVI (UK Visas and Immigration) lists IELTS as a Secure English Language Test for Tier 4/Student visa applicants (as of 2023, recognised under the points-based immigration system).
- Australia: Universities Australia (all 43 members); Department of Home Affairs for student and skilled migration visas (acceptance ongoing as of 2025).
- New Zealand: All universities; Immigration New Zealand for residence and work visas.
- Canada: Most Canadian universities (U of T, McGill, UBC, McMaster, etc.); IRCC (Immigration, Refugees and Citizenship Canada) for Express Entry and study permits.
- United States: Over 3,500 US universities accept IELTS (including Ivy League, state flagships, and community colleges); some require TOEFL, but IELTS is increasingly common for undergrad and grad admissions.
- Ireland, Singapore, Hong Kong: Primary English-proficiency test for university entry and immigration.
- Global: Accepted by employers, professional licensing bodies (nurses, engineers, lawyers in commonwealth countries), and over 140 countries for migration purposes.
Typical score requirements
| Institution tier | Undergraduate | Master’s/Graduate | PhD | Foundation/Pathway |
|---|---|---|---|---|
| Top-tier (Russell Group, Ivy, G8) | 6.5–7.0 (no band <6.0) | 7.0–7.5 (no band <6.5) | 7.5–8.0 | 5.0–6.0 |
| Mid-tier | 6.0–6.5 | 6.5–7.0 | 7.0–7.5 | 4.5–5.5 |
| Lower-tier / Regional | 5.5–6.0 | 6.0–6.5 | 6.5–7.0 | 4.0–5.0 |
| Business/MBA programs | — | 6.5–7.5 | — | 5.5–6.5 |
| UK immigration (Feb 2025) | — | 6.0 | — | 4.0+ (visa requirement varies by route) |
Note: Some universities request minimum band scores in individual skills (e.g., 6.0 in speaking and writing). Visa bodies (UK, Australia, Canada) may set minimum thresholds independent of university requirements.
Registration & logistics
Registration:
- Online via ielts.org, britishcouncil.org (UK), idpielts.com (Australia/NZ), or ielts.cam.org (Cambridge).
- Candidates create an account, select test date, location, and module (Academic or General).
- Payment required at registration; non-refundable if cancellation falls within 3 weeks of test date.
ID requirements:
- Valid passport, national ID, or recognised government-issued photo ID.
- Name on registration must match ID exactly.
Retake rules:
- No waiting period; candidates may retake immediately after receiving results (typically 10 days later).
- Most candidates retake 1–3 times to improve target band.
Test-day procedures:
- Arrival 30 minutes before start; mobile phones, bags, and notes prohibited in test room.
- Listening, Reading, Writing completed in one morning session (2 hours 45 minutes total).
- Speaking held on same day or within 3 days, depending on centre scheduling.
Rescheduling:
- Free rescheduling if requested >5 weeks before test date.
- Paid rescheduling (typically US$20–$40 fee) if 3–5 weeks before test date.
- No rescheduling within 3 weeks; candidates forfeit fee and retake from scratch.
Preparation
Official materials:
- IELTS Offical Practice Tests volumes 1–18 (published by Cambridge Assessment English, multiple sets for each skill).
- Official IELTS band descriptors and sample scripts.
- ielts.org and official partner websites host free sample questions, tips, and video guidance.
Recommended materials:
- Barron’s IELTS Superpack (6th ed., 2023).
- Collins English for Exams: IELTS series (Listening, Reading, Writing, Speaking).
- Magoosh IELTS and IELTS Liz YouTube channels (free structured lessons).
- IDP IELTS Mock Tests (computer-delivered simulations).
Realistic prep time:
- Starting from English proficiency level A2/B1 (elementary–intermediate): 12–16 weeks, 2–3 hours daily.
- Starting from B2 (upper-intermediate): 6–10 weeks, 1–2 hours daily.
- Starting from C1 (advanced): 2–4 weeks, focused skill work.
Common pitfalls:
- Memorising answers instead of learning to infer context (Listening/Reading).
- Poor time management in Writing; leaving Task 2 incomplete.
- Speaking too quickly or failing to paraphrase the examiner’s questions.
- Misreading Academic vs General module requirements; answering the wrong paper type.
- Ignoring CEFR equivalence; Band 7.0 = C1, not B2.
Comparison with similar tests
| Test | Format | Duration | Score | Accepted | Key difference |
|---|---|---|---|---|---|
| IELTS | Paper/Computer + face-to-face speaking | 2h 45m | 0–9 bands | UK, Aus, NZ, Canada, 140+ countries | Speaking face-to-face; two modules (Academic/General) |
| TOEFL iBT | Computer-delivered (home or test centre) | 2h–2h 30m | 0–120 | US, Canada, many others | Entirely on computer; no distinct modules |
| PTE Academic | Computer-delivered | 3h | 10–90 | Australia, UK, NZ, Canada (growing in US) | Fully automated scoring; quick results (5 working days) |
| Duolingo English Test | Computer-delivered, remote | 1h | 10–160 | 2,000+ universities (US, UK, Australia) | Cheapest (~USD $49); fastest results (48h) |
| Cambridge ESOL | Paper/Computer | 3h 30m–4h | A1–C2 | Employers, universities | Longer validity (lifetime); more skill-specific certs |
Recent changes
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IELTS on Computer (August 2022 onwards): Computer-based delivery became available globally alongside paper-based tests. Computer delivery offers same validity, scoring criteria, and task types; results turnaround remains 3–5 days. Paper-based tests continue.
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Speaking test clarification (2023): IELTS maintained face-to-face speaking (not video) as core format to ensure authenticity and prevent fraud. Video speaking pilots in specific regions were discontinued.
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CEFR mapping update (2022): Official IELTS band-to-CEFR conversion published: Band 4.0 = B1, Band 6.5 = B2, Band 7.5 = C1, Band 8.5 = C2. This clarified university and employer interpretation.
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Test fee increases (2023–2025): Fees rose 5–15% across most regions due to inflation and operational costs. UK fees ~GBP £215 (USD ~$270), Australia fees AUD $330 (USD ~$220), as of April 2026.
Primary sources
- Official IELTS provider: ielts.org (jointly owned by British Council, IDP, Cambridge); accessed 16 April 2026.
- British Council IELTS: britishcouncil.org/exam/ielts; accessed 16 April 2026.
- IDP IELTS: idpielts.com; accessed 16 April 2026.
- Cambridge English IELTS: ielts.cam.org; accessed 16 April 2026.
- UK Visas and Immigration SELT list: gov.uk/guidance/prove-your-english-language-abilities; accessed 16 April 2026 (lists IELTS as Secure English Language Test).
- IELTS Official Practice Tests (Cambridge Assessment English, 2022–2025).
- IELTS band descriptors and score guidance: ielts.org/about-the-test/ielts-band-scores; accessed 16 April 2026.
Last updated: 2026-04-16.