With almost 1.3 billion speers, Mandarin is the most difficult language for someone to learn. The language is spoken in China, Malaysia, Indonesia, and Singapore. It requires the memorisation of thousands of special characters.
Arabic
With 274 million speakers across the world, Arabic is the second most difficult language as it features 28 script letters with various sounds made in the language that doesn't exist in other languages. Grammatically, verbs often come before the subject.
Japanese
Almost 126 million speakers in the world, the most challenging aspect of Japanese is the writing system.
Korean
Mostly spoken in North and South Korea, the language has a writing system with alphabets of just 24 symbols, 10 of which are vowels remaining consonants- language remains a challenge to learn.
Thai
Thai is a tonal language and if you want to learn it you must know how to recognise the tones. The language has 5 tones, some of which are not found in the English language.
Vietnamese
Vietnamese can be difficult to speak due to its foreign pronunciations to English speakers.
Hindi
Descending from the ancient South Asian language of Sanskrit, Hindi is a phonetic language, and many sounds are foreign to English speakers. The very subtle language features minute changes in sound and context.
Icelandic
The Icelandic language remains one of the hardest languages to learn, which is made of extremely long words, while some specific syllables are pronounced differently from English syllables.
Hungarian
With 13 million speakers, Hungarian is an agglutinative language. It means that rather than containing individual prepositions, prefixes and suffixes are added to words.
Finnish
With 10 million speakers and mostly spoken in Finland, the language features a complicated verb, conjugation, case system and clitics.