Korean Characters - Pronunciation Difficulty Tier List

A

B

C

D

F

A Tier

ㅃ, ㅉ, ㅢ, ㄸ, ㅆ, ㄲ

B Tier

ㄹ, ㅚ, ㅓ, ㅕ, ㅟ, ㅞ, ㅙ, ㅝ, ㅡ

C Tier

ㄱ, ㅗ, ㅅ, ㅂ, ㅌ, ㅋ, ㅖ, ㅍ, ㅈ, ㅘ, ㅐ, ㅒ, ㄷ, ㅊ, ㅛ

D Tier

ㅔ, ㅜ, ㅠ, ㅎ, ㅇ

F Tier

ㅑ, ㄴ, ㅁ, ㅣ, ㅏ