One Country Hires You to Already Know. The Other Hires You to Learn.

🇺🇸 USA · 🇯🇵 Japan

By Priya Mehta, The Global Office

Around 35 percent of American organizations offer limited onboarding or none at all, and 30 percent of new hires quit within their first 90 days, often citing exactly that gap. In Japan, an entire national hiring calendar — shinsotsu saiyo — exists to bring new graduates in as a single cohort every April, explicitly selected for aptitude and cultural fit rather than job-specific skill, on the assumption that the company will do the actual teaching. Two very different bets about where competence is supposed to come from.

Do's & Don'ts

🇺🇸 USA

🇯🇵 Japan

USA

American onboarding runs on an assumption that looks almost countercultural once you say it out loud: that the employee should already substantially be able to do the job. Hiring is built around skills-matching rather than long-term development, and the data on what happens without real onboarding support is not flattering — recruiter.com and SHRM research both point to high early-tenure attrition connected directly to "sink or swim" environments, and leaders dropped into unsupported roles fail at a rate of roughly 40 percent within 18 months. And yet the practice persists, because it's cheap and because the culture rewards employees who figure things out fast over ones who need structure to get there.

What replaces formal mentorship, when it exists at all, tends to be informal and self-assembled: new hires are expected to build their own network of colleagues to ask questions of, rather than being handed a designated guide. Hofstede's individualism score for the US, at 91, is doing real work here — competence is framed as something you arrive with and demonstrate, not something the institution is responsible for cultivating in you over time.

Japan

Japanese onboarding inverts the American assumption almost completely. The shinsotsu system recruits new graduates as a cohort specifically because they don't yet have specialized skills — companies select for adaptability and cultural alignment, then invest years molding that raw material through structured internal training. The senpai-kohai relationship formalizes what American companies leave to chance: anyone who joined before you is your senpai, owed deference and obedience, and anyone who joins after you is your kohai, owed teaching and support. It is not a soft mentorship suggestion; Japan Intercultural Consulting describes it as a basic organizing structure of the company itself, one that persists for the length of both people's careers there.

The tradeoff is speed. New hires are expected to observe far longer than their American counterparts would tolerate before being trusted with independent, complex work — a slower on-ramp that assumes competence is built through sustained exposure rather than declared through resume credentials. It is, in its own way, a system with much lower early-tenure failure risk than the American one, precisely because so little is expected of a new employee in the first place.

The Reckoning

The two systems are answering different questions about risk. American onboarding accepts a higher failure rate among new hires in exchange for speed — hire fast, expect competence immediately, let attrition sort out the mismatches. Japanese onboarding accepts a much slower ramp-up in exchange for lower risk — invest years in each hire, and the structure itself, via senpai obligation, guarantees nobody is genuinely left to sink or swim.

The mismatch for a transplant is almost exactly inverted between the two directions. An American moving to a Japanese company may find the pace of independent responsibility maddeningly slow, mistaking patient observation-based training for a lack of trust in their ability. A Japanese employee moving to an American company may find the total absence of structured mentorship alarming, mistaking "figure it out yourself" for institutional indifference to whether they succeed at all.

The Part the Brochure Left Out

Quora — Someone responding to a question about receiving no real training at a new US job wrote plainly that the era of companies training new hires was largely over, and that the practical advice was to watch closely, ask a lot of questions, and assume you were hired because someone believed you could already figure it out.

r/expats — An American who joined a Japanese firm described months of what felt like menial observation work before being trusted with anything independent, and admitted it took him nearly a year to stop reading the pace as a lack of confidence in him rather than simply how the system worked for everyone.

r/japanlife — A foreign hire recounted the senpai assigned to him taking personal responsibility for his mistakes in front of management during his first months, an experience he found simultaneously touching and mortifying, since no American workplace he'd been in had ever operated that way.

Internations Tokyo — A European transferee noted that her Japanese colleagues seemed genuinely surprised to learn she'd had almost no formal onboarding at her previous US company, treating the absence not as normal but as something close to organizational negligence.

r/cscareerquestions — An engineer who'd worked at both a Silicon Valley startup and a Japanese subsidiary described the American approach as "here's a laptop, good luck" and the Japanese approach as "here's a senpai, you'll be ready in three years" — and said neither felt inherently better, just built for different kinds of company.

Conclusion

If you're moving to the US, come prepared to be self-sufficient fast — ask direct questions, build your own support network, and don't wait for a formal structure that likely doesn't exist. If you're moving to Japan, recalibrate your expectations around pace: the slow, observation-heavy ramp-up isn't a lack of confidence in you, it's the actual system, and your senpai relationship is worth investing in seriously. My honest read, for a friend weighing the move: America will trust you with more, faster, and offer you less support while you figure out whether that trust was warranted; Japan will trust you with less, more slowly, and make sure you're genuinely ready before it does.