Master hub
Learn Japanese: A Calm, Practical Guide for Adults
Where to start, what order, what tools, and how long it really takes. The whole map of Japanese learning in one page.
Where to start
The single biggest mistake adults make with Japanese is starting in the wrong place. Most beginner apps assume you already know hiragana. Most kanji apps assume you already have a few hundred words. Most grammar books assume you can recognize all three scripts.
The actual order is: kana, then vocabulary, then grammar, then production, then immersion. Skipping ahead feels productive for two weeks and then collapses because the foundation is missing.
If you have never touched Japanese before, start with the hiragana guide. Three days of focused study covers all 46 characters. Katakana follows the same week. After that, you have the foundation every other Japanese tool assumes.
A two-week starter
Week 1: hiragana to recognition. Week 2: katakana to recognition, plus the first 50 N5 vocabulary words. By the end of week 2 you can read children's books and decode product labels. That feeling — Japanese is now decodable — is what makes everything afterward easier.
The five phases
Most adult Japanese learners go through the same five phases. The phases are not strictly sequential — you usually overlap them by a few weeks — but the rough shape holds.
- Phase 1 — Kana foundation (2 weeks). All 46 hiragana, all 46 katakana, plus dakuten and yōon. Recognition before writing.
- Phase 2 — N5 vocabulary and grammar (3 months). The first 500-800 words and the ~30 core N5 grammar patterns. Spaced repetition does the heavy lifting.
- Phase 3 — N4 expansion and reading (3 months). Add ~700 N4 words and ~60 grammar patterns. Start reading NHK Easy News and beginner manga.
- Phase 4 — Production and immersion (6 months). Writing in Japanese, tutoring on italki, Japanese subtitles. Volume of input matters more than structure here.
- Phase 5 — Maintenance and depth (forever). Daily native reading. Weekly output. The SRS deck shrinks; immersion expands. There is no graduation.
For the full breakdown with month-by-month milestones, see the six-phase roadmap. This page is the higher-level orientation.
Tools at each phase
You don't need many tools. You need the right two or three at each phase, plus the willingness to swap them out as the phase changes.
- Phase 1 (kana): Inku for spaced kana review with bundled audio. Hiragana chart and katakana chart for at-a-glance reference.
- Phase 2 (N5 vocabulary + basic grammar): Inku for spaced vocabulary review. A grammar source — Tae Kim's free guide or Genki — for grammar patterns. Optional: Bunpro for grammar drilling.
- Phase 3 (N4 + reading): Inku still handles vocabulary. Add NHK Easy and graded readers (Satori Reader is the polished paid option). Start JapanesePod101 for listening.
- Phase 4 (production): Italki or HelloTalk for human feedback. LangCorrect for free written feedback. Inku and grammar tools stay; production is additive.
- Phase 5 (maintenance): Native podcasts, novels, manga without furigana. Inku shrinks to a 5-minute daily review. New cards trickle in from real reading, not from textbooks.
For deeper tool comparisons, see best Japanese flashcard apps and the comparisons hub.
How long it actually takes
Adults reach JLPT N5 in 3-6 months at 30 minutes a day. JLPT N4 in another 6-12 months. JLPT N3 — the threshold where Japanese starts feeling usable — in 18-24 months total. Conversational fluency takes 3-5 years; reading fluency takes 5-7.
The single biggest variable is daily consistency, not genius. People who study 20 minutes every day beat people who study 2 hours twice a week. Calendar time is irrelevant; only contact hours matter.
The US Foreign Service Institute estimates that English speakers need roughly 2,200 contact hours to reach professional working proficiency in Japanese. That maps to about 4-5 years of consistent self-study at 60-90 minutes a day, or 2-3 years of immersion living in Japan.
Read all the related guides
Inku ships hand-written guides for every phase of this roadmap. Here's the full library, grouped by what you're working on.
Foundation
Vocabulary + JLPT
Grammar + structure
Pronunciation + script
Method
Common questions
What's the fastest way to learn Japanese as an adult?+
Build kana first (2 weeks), then drill 500-800 N5 vocabulary words with spaced repetition (3 months) while picking up basic grammar in parallel. After 5-6 months you can read simple Japanese; after 12-18 months at 30-45 min/day you reach conversational (N4-N3).
Can I learn Japanese in 6 months?+
You can reach JLPT N5 in 6 months at 30 minutes a day. That's enough to read children's books, hold a slow conversation about daily life, and order food in Japan. Conversational Japanese on harder topics takes 12-18 months minimum.
Do I need to learn kanji to speak Japanese?+
No. Spoken Japanese works without kanji. But reading anything aimed at adults requires kanji — you can't function in Japan long-term without learning at least the first 500-1000 jōyō kanji.
Should I take JLPT tests?+
Only if your career, school, or visa needs them. For most learners, the JLPT syllabus is more useful as a checklist than a certification target. The test itself is optional; the levels are useful milestones either way.
Is Japanese harder than other languages for English speakers?+
Yes — the US Foreign Service Institute classifies Japanese as Category IV (hardest), requiring ~2,200 hours for professional proficiency. The grammar is structurally simpler than English, but the writing system, politeness levels, and lack of cognates make the time-to-fluency long.
Do I need a teacher or can I self-study?+
Both work. Self-study covers 80% of the journey if you're disciplined. The remaining 20% — production, real-time conversation, pronunciation feedback — benefits from a tutor (italki, HelloTalk, in-person) once you're past N5.
Most of the daily work in this roadmap is what Inku does: spaced flashcard review with bundled audio, kana drilling, and a calm finite session you can return to without shame. Start the 7-day free trial — it costs nothing and you keep the kana guide regardless.