Based on their experience training US diplomats, the Foreign Service Institute (FSI) divided all the languages they teach into four distinct categories. The higher the category, the "harder" the ...

The FSI organizes languages into five broad categories based on how different each language and culture is to the United States: ...

Learning a difficult language can be time-consuming, but that shouldn’t put off aspiring learners, says the US State Department’s Foreign Service Institute. According to a freshly-released list ...

The U.S. Foreign Service Institute teaches foreign languages to government diplomats and personnel for duties abroad—and its courses are available online, for free. Which means you can access ...

According to the U.S. Foreign Service Institute, languages from around the world fall into four difficulty categories for Native English Speakers: Category I, Category II, Category III, and ...