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How long does it take to learn Japanese?

For a native English speaker, the US Foreign Service Institute (FSI) puts Japanese in its hardest category and estimates about 88 weeks (around 2,200 class hours) of full-time training to reach professional working proficiency. Reaching basic, everyday Japanese takes far less – and how much you study each day matters more than any estimate.

What the numbers mean

The FSI figure describes intensive, full-time classes for diplomats, aiming at professional fluency. Self-study learners usually set nearer goals: reading kana in a week, basic conversation and JLPT N5 vocabulary (711 words in our list) within months of regular study.

What changes your timeline

  • Daily consistency – short daily sessions keep you moving; long gaps cause forgetting.
  • Method – active recall and spaced repetition retain far more per hour than re-reading (why).
  • Prior languages – knowing Chinese characters makes kanji much faster.
  • Exposure – reading and listening to real Japanese consolidates what you study.

Note: the JLPT does not publish official study-hour estimates per level; figures you see online are unofficial.

Sources

  • U.S. Department of State, Foreign Service Institute – “Foreign Language Training”, language difficulty categories and training timelines.

Related questions

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Last reviewed 2026-10-09 by the I Love Kanji team.