IELTS vs OET: Which One Should You Choose?

IELTS vs OET comparison: exam cost, difficulty, salary, prerequisites, and career paths. Find out which certification is right for you in 2026.

IELTS - International English Language Testing SystemBy Dr. Yuki TanakaApr 2, 20265 min read
IELTS vs OET: Which One Should You Choose?

IELTS vs OET: Overview

The IELTS (International English Language Testing System) and OET (Occupational English Test) are two of the most sought-after certifications in their field. While they share some common ground, each serves a distinct purpose and targets different career stages.

IELTS (International English Language Testing System) is a widely recognized credential in its field. It is a globally recognized English language proficiency test accepted by universities, employers, and immigration authorities in over 140 countries.

OET (Occupational English Test) serves a complementary but distinct purpose. It is an English language proficiency test specifically designed for healthcare professionals, assessing communication skills in clinical contexts.

Understanding the differences between these two certifications is essential for making an informed career decision. Let's examine each aspect in detail, from exam structure and difficulty to long-term earning potential. IELTS Practice Test and OET Practice Test are both available on our platform to help you prepare for whichever path you choose.

English language learners and international test-takers can assess their proficiency level and practice all test sections with our OET reading practice 2026.

Difficulty Comparison: IELTS vs OET

When comparing difficulty, the IELTS is rated moderate while the OET is considered moderate-hard. This difference reflects the depth and breadth of knowledge each exam tests.

The IELTS exam consists of 4 sections (Listening, Reading, Writing, Speaking) questions with a passing score of No pass/fail (scored 1–9), most require 6.5–7.0+. Candidates typically need 2–4 months study of dedicated preparation to feel confident on exam day.

The OET exam features 4 sub-tests (Listening, Reading, Writing, Speaking) questions with a passing threshold of Grade B minimum for most registration bodies. Most candidates invest 2–4 months study in preparation, though this can vary based on prior experience and study habits.

Both exams reward consistent, structured study. Practice tests are particularly valuable for building familiarity with question formats and identifying knowledge gaps before test day.

Difficulty Comparison: Ielts vs Oet overview for IELTS - International English Language Testing System exam preparation

Salary and Career Outlook

Career earnings are a major factor when choosing between certifications. IELTS holders can expect to earn N/A (English proficiency) annually, while OET credential holders typically earn N/A (healthcare English proficiency).

These figures represent national averages and can vary significantly based on location, years of experience, industry sector, and additional certifications held. Metropolitan areas and specialized roles often command premium salaries.

Beyond base salary, consider the long-term career trajectory. Some certifications open doors to management roles, specialized positions, or consulting opportunities that can significantly increase earning potential over time.

Prerequisites and Requirements

IELTS Prerequisites:

  • None
  • Exam fee: $245–$255
  • Renewal: Valid for 2 years

OET Prerequisites:

  • None
  • Exam fee: $587 AUD
  • Renewal: Valid for 2 years

Be sure to verify the most current requirements with the official certifying body, as prerequisites can change. Some organizations offer waivers or alternative pathways for candidates with significant work experience.

Prerequisites and Requirements guide - IELTS - International English Language Testing System certification study resource

Which Should You Take First?

For most professionals, starting with IELTS is the recommended path. It provides a solid foundation with a lower barrier to entry, building the knowledge base you need for more advanced certifications later.

Once you have your IELTS credential and some practical experience, moving on to OET becomes more achievable. The experience you gain working with your IELTS will make the OET study material more relatable and easier to grasp.

However, if you already have significant experience in the field, you may be able to pursue OET directly without IELTS as a prerequisite.

Which Should You Take First? guide - IELTS - International English Language Testing System certification study resource

Prepare With Free Practice Tests

No matter which certification you choose, thorough preparation is the key to passing on your first attempt. Practice tests help you identify weak areas, build confidence, and get familiar with the exam format.

We offer comprehensive practice tests for both certifications:

  • IELTS Practice Test — Full-length practice questions with detailed explanations covering all exam domains
  • OET Practice Test — Realistic mock exams designed to simulate the actual test experience

Each practice test includes detailed answer explanations and hints to guide your study. Track your progress over multiple attempts to ensure you are fully prepared on exam day.

IELTS vs OET Questions and Answers

About the Author

Dr. Yuki TanakaPhD Applied Linguistics, MA TESOL

Applied Linguist & Language Proficiency Exam Specialist

Georgetown University

Dr. Yuki Tanaka holds a PhD in Applied Linguistics and an MA in TESOL from Georgetown University. A former language examiner with the British Council, she has 18 years of experience designing and teaching language proficiency preparation courses for TOEFL, IELTS, CELPIP, Duolingo English Test, JLPT, Cambridge FCE/CAE, and Versant assessments worldwide.