Top 20 Most Difficult Languages in the World (Updated 2026)
Most difficult language in the world: The official language of Mainland China, Taiwan, and Singapore, Mandarin is officially the hardest language in the world. Mandarin is spoken by over 1.118 billion people and is the second most spoken language in the world only second to English.
Top 20 Most Difficult Languages to Learn in the World
The hardest languages to learn are identified on the basis of FSI rankings, language research, and the latest learning data. Below a compiled list of the top 20 hardest languages for English speakers in 2026.
Mandarin Chinese - Very difficult due to tones and complex writing system.
Arabic - Difficult because of script, grammar, and different dialects.
Japanese - Very difficult with three writing systems and complex grammar.
Korean - Difficult due to grammar structure and honorific system.
Telugu - Moderately difficult due to unique script and sentence structure.
Cantonese - Very difficult because of multiple tones and spoken complexity.
Polish - Difficult due to complex grammar and pronunciation rules.
Finnish - Difficult because of many grammatical cases and unique vocabulary.
Russian - Difficult due to Cyrillic script and complex grammar rules.
Icelandic - Very difficult due to the old grammar and limited learning resources.
Hungarian - Difficult due to agglutinative grammar and many suffixes.
Navajo - Extremely difficult due to the complex verb system and rare usage.
Vietnamese - Difficult due to tones and pronunciation differences.
Turkish - Moderately difficult with agglutinative grammar but logical rules.
Thai - Difficult due to tones and unique script.
Greek - Moderately difficult with a different alphabet and grammar.
Persian (Farsi) - Moderately difficult with simpler grammar but new script.
Hindi - Moderately difficult due to script and gender-based grammar.
Czech - Difficult due to complex grammar and word forms.
Hebrew - Difficult due to the script and different sentence structure.
https://www.shiksha.com/studyabroad/hardest-language-in-the-world-articlepage-149383
