Foreign Service Institute Language Difficulty Rankings

The Foreign Service Institute language difficulty rankings are an indication of how long a native English speaker would need to reach proficiency in a number of different languages.

There five are categories ranked from easiest to the hardest based on how many classroom hours a learner would need to complete ‘Speaking 3: General Professional Proficiency in Speaking (S3)’ and ‘Reading 3: General Professional Proficiency in Reading (R3)’.

To learn more about the most difficult languages, see: What are the hardest languages to learn?


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Category I: 23-24 weeks (575-600 hours)
Languages closely related to English
Afrikaans
Danish
Dutch
French
Italian
Norwegian
Portuguese
Romanian
Spanish
Swedish

Category II: 30 weeks (750 hours)
Languages similar to English
German

Category III: 36 weeks (900 hours)
Languages with linguistic and/or cultural differences from English
Indonesian
Malaysian

Swahili
Category IV: 44 weeks (1100 hours)
Languages with significant linguistic and/or cultural differences from English
Albanian
Amharic
Armenian
Azerbaijani
Bengali
Bosnian
Bulgarian
Burmese
Croatian
Czech
*Estonian
*Finnish
*Georgian
Greek
Hebrew
Hindi
*Hungarian
Icelandic
Khmer
Lao
Latvian
Lithuanian
Macedonian
*Mongolian
Nepali
Pashto
Persian (Dari, Farsi, Tajik)
Polish
Russian
Serbian
Sinhala
Slovak
Slovenian
Tagalog
*Thai
Turkish
Ukrainian
Urdu
Uzbek
*Vietnamese
Xhosa
Zulu

Category V: 88 weeks (2200 hours)
Languages which are exceptionally difficult for native English speakers
Arabic
Cantonese (Chinese)
Mandarin (Chinese)

*Japanese
Korean
* Usually more difficult than other languages in the same category.