The CEFR (Common European Framework of Reference for Languages) is the international standard for measuring language proficiency, developed by the Council of Europe. It organizes language ability into 6 levels โ A1, A2, B1, B2, C1, and C2 โ used by language tests, universities, employers, and immigration authorities in over 40 countries. This guide explains what each CEFR level means, how CEFR levels map to major English tests like IELTS, TOEFL, and Duolingo, and how to accurately assess your own level.
The CEFR (what is the cefr of Reference for Languages) is an internationally recognized standard developed by the Council of Europe to describe language ability consistently across countries and languages. Originally designed for European languages, it is now the dominant standard for English proficiency reporting worldwide.
Who uses CEFR:
Structure: The framework has 3 main tiers โ A (Basic User), B (Independent User), and C (Proficient User) โ each divided into two sublevels, giving 6 total levels from A1 (complete beginner) to C2 (mastery).
Test your level with our CEFR English level practice test to identify which level best describes your current proficiency.
While A and B levels cover the majority of language learners, C1 and C2 represent the proficiency needed for academic study, professional work, and near-native communication in English-speaking environments.
C1 โ Advanced: At this level, you can understand a wide range of demanding texts, use language flexibly for social, academic, and professional purposes, and produce clear, well-structured, detailed text on complex subjects. C1 is the standard required by most top universities in the UK, and many in the US, for non-native English speakers. IELTS 7.0โ7.5, TOEFL 95โ114, Cambridge C1 Advanced exam.
C2 โ Mastery (Proficient User): The highest level. You can understand virtually everything heard or read, summarize information from diverse sources coherently and concisely, and express yourself spontaneously, fluently, and precisely. C2 is near-native proficiency โ it is the level of the Cambridge C2 Proficiency exam (CPE), which is the most rigorous English certificate widely recognized for professional and academic purposes. IELTS 8.0โ9.0, TOEFL 115โ120.
Why C1 matters: C1 is the most practically important CEFR level for international students and professionals. It is the threshold for:
Prepare for your CEFR-aligned exam with our CEFR English level test 2026 practice materials.