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Japanese vs Korean: Which Is Easier, and How Similar Are They?

For an English speaker the two sit in the same difficulty group, so neither is officially easier: the Foreign Service Institute puts both at 2,200 class hours. Their everyday vocabulary is mostly different: roughly 1 in 10 everyday words sound alike, so knowing one gives you little to lean on in the other.

A path through the red torii gates of Fushimi Inari Shrine in Kyoto
Photo: darkness_s

Key takeaways

  • Japanese and Korean are in the same Foreign Service Institute difficulty group (Category IV).
  • Their everyday vocabulary is mostly different: roughly 1 in 10 everyday words sound alike, so knowing one gives you little to lean on in the other.
  • Study time will not decide it, so start with the one you will actually use.

How hard is each one?

For an English speaker the two sit in the same difficulty group, so neither is officially easier: the Foreign Service Institute puts both at 2,200 class hours. These are the figures behind the how long does it take to learn a language calculator, from the US Foreign Service Institute's published language training times.

JapaneseKorean
FSI difficulty groupCategory IVCategory IV
Class hours to working proficiency2,2002,200
Full-time weeks8888

The hours are for a native English speaker in full-time classes aiming at professional working proficiency. Useful everyday conversation comes sooner, and the calculator breaks the time down by level.

How much do the words overlap?

Their everyday vocabulary is mostly different: roughly 1 in 10 everyday words sound alike, so knowing one gives you little to lean on in the other.

A few everyday words that sound alike in Japanese and Korean:

EnglishJapaneseKorean
Spainスペインsupein스페인seupein
chainチェーンcheen체인chein
curryカレーkaree카레kare
generation世代sedai세대sedae
limeライムraimu라임raim
pastaパスタpasuta파스타paseuta
ringリングringu링ring
tennisテニスtenisu테니스teniseu

And a few everyday words that sound completely different:

EnglishJapaneseKorean
Americanアメリカのamerika no미국의migugui
broomほうきhouki빗자루bitjaru
dessertデザートdezaato디저트dijeoteu
fog霧kiri안개angae
joy喜びyorokobi기쁨gippeum
octopusタコtako문어muneo
ropeロープroopu밧줄batjul
storm嵐arashi폭풍pokpung

Writing system and grammar

  • The writing systems differ: Japanese uses three scripts (hiragana, katakana and kanji) and Korean uses Hangul.
  • Their sentences are built in a similar way: the verb comes last, and small particles after each word show its role in the sentence.
JapaneseKorean
Writing systemThree scripts: hiragana, katakana and kanjiHangul, an alphabet
Grammatical gendersNoneNone
Noun casesMarked by small particlesMarked by small particles
TonesNo (it has pitch accent)No

Which should you learn first?

Study time will not decide this one, because the two ask for about the same. If you want to reach a particular place, a person or a job, start with the one you will actually use: steady motivation counts for more than the difference in hours.

Frequently asked questions

Is Japanese easier than Korean?

For an English speaker the two sit in the same difficulty group, so neither is officially easier: the Foreign Service Institute puts both at 2,200 class hours. Hours are for a native English speaker reaching professional working proficiency in full-time classes; casual learning gets you to useful conversation well before that.

How similar are Japanese and Korean?

Their everyday vocabulary is mostly different: roughly 1 in 10 everyday words sound alike, so knowing one gives you little to lean on in the other.

Should I learn Japanese or Korean first?

Study time will not decide this one, because the two ask for about the same. If you want to reach a particular place, a person or a job, start with the one you will actually use: steady motivation counts for more than the difference in hours.

Do Japanese and Korean use the same alphabet?

No. Japanese is written with three scripts (hiragana, katakana and kanji) and Korean with Hangul.

Keep going

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Watch Your LanguageVocabulary widgets for iPhone & Apple Watch

Watch Your Language puts Japanese or Korean words in a widget on your iPhone Lock Screen and on your Apple Watch face, and brings back the ones you keep forgetting, so the practice carries on every time you check the time.