EF English Proficiency Index
The EF English Proficiency Index (EF EPI) attempts to rank countries by the equity of English language skills amongst those adults who took the EF test. It is the product of EF Education First, an international education company, and draws its conclusions from data collected via English tests available for free over the internet. The index is an online survey first published in 2011 based on test data from 1.7 million test takers. The most recent edition was released in November 2021. Methodology. The EF EPI 2021 edition was calculated using test data from 2 million  test takers in 2020. The test takers were self-selected. 112 countries and territories appear in this edition of the index. In order to be included, a country was required to have at least 400 test takers. Report. The report is composed of a country ranking table, several pages of analysis with graphs correlating other economic and social factors with English proficiency, and analysis of each region or continent. The 2021 report includes English proficiency levels by gender, age group, and region, within countries, and some English proficiency scores by city. The website displays portions of the report and has  analysis of English skills in many countries and territories. 2021 rankings. Below are the latest country scores, proficiency bands, and rankings as published in 2021. Similar reports. The European Commission performed a language survey, "SurveyLang", which tested a representative sample of 15-year-old European students on their foreign language skills. The report and data sets were released for 13 European countries in June 2012.