1. Swedish
This language is the official language in Sweden, as well as in some parts of Finland, and it is spoken by around 9 million people in the world. According to the Foreign Service Institute, it can be learned in about 23-24 weeks, or 575-600 hours, and it is very similar to English regarding the word order and verb conjugation. It also has many words that have the same linguistic derivation as English, being the reason it is first on the list of easiest Germanic languages to learn for English speakers.