Arabic
No knowledge Native language A1 Beginner A2 Basic knowledge B1 Advanced language application B2 Independent language application C1 Expert language skills C2 Nearly native language skills
Chinese
No knowledge Native language A1 Beginner A2 Basic knowledge B1 Advanced language application B2 Independent language application C1 Expert language skills C2 Nearly native language skills
German
No knowledge Native language A1 Beginner A2 Basic knowledge B1 Advanced language application B2 Independent language application C1 Expert language skills C2 Nearly native language skills
English
No knowledge Native language A1 Beginner A2 Basic knowledge B1 Advanced language application B2 Independent language application C1 Expert language skills C2 Nearly native language skills
French
No knowledge Native language A1 Beginner A2 Basic knowledge B1 Advanced language application B2 Independent language application C1 Expert language skills C2 Nearly native language skills
Portuguese
No knowledge Native language A1 Beginner A2 Basic knowledge B1 Advanced language application B2 Independent language application C1 Expert language skills C2 Nearly native language skills
Russian
No knowledge Native language A1 Beginner A2 Basic knowledge B1 Advanced language application B2 Independent language application C1 Expert language skills C2 Nearly native language skills
Spanish
No knowledge Native language A1 Beginner A2 Basic knowledge B1 Advanced language application B2 Independent language application C1 Expert language skills C2 Nearly native language skills
Swahili
No knowledge Native language A1 Beginner A2 Basic knowledge B1 Advanced language application B2 Independent language application C1 Expert language skills C2 Nearly native language skills
Other languages