CEFR Levels
CEFR and Esperanto The Common European Framework of Reference for Languages (CEFR) maps onto Esperanto through the official KER (Komuna Eŭropa Referenckadro) exam system. The Universala Esperanto-Asocio (UEA) and affiliated organizations administer official proficiency exams at multiple levels, and the descriptions align with standard CEFR can-do statements. Because Esperanto is so regular, learners progress through CEFR levels significantly faster than in any national language — often 5–10× faster than in...