The honest answer: it depends on five things
Every "how long to learn a language" answer online either lies or oversimplifies. The actual answer depends on five real variables:
- Language distance from your native tongue Learning Italian as an English speaker is fundamentally easier than learning Korean.
- Your target level A1 takes 70 hours. C2 takes 1,200. That's a 17× difference.
- Hours per week Daily exposure beats weekend cramming by a wide margin.
- Method Active recall (flashcards, speaking, writing) is 3–5× more efficient than passive consumption.
- Motivation type Learners with a personal stake (travel, partner, work) move 30–40% faster.
The FSI difficulty tiers
The U.S. Foreign Service Institute has been training diplomats since 1947 — they know exactly how long each language takes an adult English speaker to reach "professional working proficiency" (roughly B2/C1). Their data is the gold standard.
| Category | Languages | Hours to B2/C1 |
|---|---|---|
| I (easiest) | Spanish, French, Italian, Portuguese, Dutch, Norwegian, Swedish, Romanian | ~600–750 |
| II | German | ~900 |
| III | Indonesian, Malay, Swahili | ~900 |
| IV (hard) | Russian, Polish, Czech, Greek, Turkish, Hebrew, Vietnamese, Thai, Hindi, Finnish | ~1,100 |
| V (hardest) | Mandarin, Cantonese, Japanese, Korean, Arabic | ~2,200 |
Why Japanese is so much harder than Spanish: three writing systems (hiragana, katakana, kanji), 2,000+ kanji to master, completely different grammar order (subject-object-verb), and zero shared vocabulary with English.
Realistic timelines for everyday learners
FSI numbers assume 25 hours a week of intensive study with a teacher. Most of us aren't diplomats. Here's the math for normal humans:
| Study time | Spanish to B2 | German to B2 | Japanese to B2 |
|---|---|---|---|
| 20 min / day | ~5 years | ~7 years | ~18 years* |
| 1 hour / day | ~20 months | ~30 months | ~6 years |
| 3 hours / day | ~7 months | ~10 months | ~24 months |
| FSI intensive | ~6 months | ~9 months | ~22 months |
*Realistic only if you don't go for fluency — most casual Japanese learners aim for A2/B1, which takes 2–3 years at 20 min/day.
The "small effort, large window" model
The biggest mistake learners make is thinking they need an hour a day. They don't. Compounding works just as well in language learning as it does in finance.
The widget effect: A daily-word widget like LinguistWidget multiplies exposure without multiplying effort. Glancing at your home screen 5–10 times a day gives you incidental, low-friction repetitions that aren't on the timeline above — they just happen.
How long to reach each CEFR level (English speaker)
Spanish, French, Italian (Category I)
- A1: ~80 hours (~3 months at 30 min/day)
- A2: ~180 hours (~6 months)
- B1: ~400 hours (~13 months)
- B2: ~600 hours (~20 months)
- C1: ~800 hours (~27 months)
- C2: ~1,200 hours (~3.5 years)
German (Category II)
- A1: ~100 hours (~4 months at 30 min/day)
- A2: ~250 hours (~8 months)
- B1: ~500 hours (~16 months)
- B2: ~900 hours (~30 months)
- C1: ~1,200 hours (~40 months)
Japanese, Korean, Mandarin (Category V)
- A1: ~200 hours (~8 months)
- A2: ~500 hours (~20 months)
- B1: ~1,000 hours (~3.5 years)
- B2: ~2,200 hours (~7+ years)
The five factors that decide your actual speed
1. Daily consistency
Studies of language learners consistently show that frequency beats duration. 20 minutes every day produces better outcomes than 2.5 hours once a week — even though total time is identical. Why? Memory consolidation requires sleep cycles. One sleep cycle locks in 24 hours of new learning. You can't speed this up by cramming.
2. Active vs passive exposure
Watching a Spanish Netflix show is fun. It's not learning. Real learning requires active recall: trying to produce a word or sentence before checking it. This is why apps with spaced repetition (anki, vocabulary widgets, Duolingo lessons) move you faster than apps that only show you content.
3. Your starting languages
If you already speak Spanish, Italian is 30–50% faster. If you speak German, Dutch is faster. If you speak Mandarin, Japanese kanji are familiar. Linguists call this positive transfer, and it's the most underused shortcut in language learning.
4. Age (but not how you think)
The myth that adults can't learn languages is just that — a myth. Adults learn vocabulary faster than children. Where children win is pronunciation and ear-training (the "critical period" for native-like accent peaks around age 12). For everything else, adult learners with the right method outperform children at the same hours.
5. Motivation type
Researchers distinguish between integrative motivation (wanting to connect with people/culture) and instrumental motivation (passing an exam, getting a job). Both work, but integrative motivation produces 25–40% better long-term retention because it survives plateaus.
What "fluent" actually means
"Fluent" is the most misused word in language learning. Most people use it to mean "I can have a conversation without searching for every word." That's roughly B2, not C2. You don't need to be flawless to be fluent.
Reality check: If you wait until you feel "fluent" to speak in your target language, you'll never speak. Start at A1. Make mistakes. Get corrected. Move on. Most learners hit a "comfortable B2" within 18–24 months of consistent practice in a Category I language — that's fluent enough to live, work, and date in the language.
A 12-month roadmap from zero to A2
- Months 1–2: Sounds and basics Learn the alphabet (or scripts), pronunciation rules, and the 100 most-frequent words. Daily target: 20 min.
- Months 3–4: First conversations Add present tense, basic question forms, and 200 more high-frequency words. Start using a daily-word widget for incidental repetitions.
- Months 5–6: Past and future Add past and future tenses. You're now A1+. Find a podcast or YouTube channel aimed at beginners.
- Months 7–9: Real input Watch slow news in your target language. Add 500 more words from your widget. Hit A2.
- Months 10–12: First fluent moments Have your first 5-minute conversation in the language. Even if it's clunky, you're now a language speaker. Welcome to B1 territory.
The bottom line
How long does it take to learn a language? Long enough that you need a system that won't burn out. Short enough that consistent 20-minute days will get you to B1 in a Category I language inside 18 months. The learners who win are not the ones with the most hours per week — they're the ones who never miss a day.
That's why a daily-word widget on your home screen quietly outperforms the most elaborate study plan. The plan you don't follow is worth zero. The widget you can't help glancing at is worth a few words a day, every day, forever.