Merchant Marine · 商船 (Shōsen)
How to Become a Merchant Navy Officer in Japan
Japan has one of the world's most advanced and safety-focused merchant fleets. Officer training is centred on the National Institute of Technology and the two National Maritime Universities. Japan Coast Guard issues officers' licences under strict STCW-aligned standards, and Japanese officers are highly sought on specialised vessels including LNG carriers and car carriers.
Regulator: Japan Coast Guard / Ministry of Land, Infrastructure, Transport and Tourism (JCG / MLIT) · Updated 2026-06-01
The Merchant Marine in Japan
A career as a Japanese merchant navy officer offers internationally portable qualifications, structured promotion and some of the highest entry-level earnings of any technical profession. Training follows the global STCW convention, so a certificate earned in Japan is recognised worldwide — while the entry route, terminology (Merchant Marine) and approved institutes are specific to the country.
Eligibility & requirements
- Upper-secondary (high school) leaving qualification; sciences and maths preferred.
- Pass the national maritime college entrance examination.
- Maritime medical fitness standard.
- Japanese language proficiency; English required for STCW competence exams.
Entry paths to become an officer
1. National Maritime University (Tokyo or Kobe) — Bachelor degree
A four-year program combining navigation science or marine engineering with structured sea-training phases, leading to a third officer / third engineer licence on graduation.
2. National Institute of Technology (KOSEN) — Maritime course
A five-year program starting from junior-high school, combining engineering education with on-board training.
3. Company cadetship (NYK, MOL, K-Line)
Japan's major shipping groups sponsor cadets through universities and company-run training ships, providing guaranteed officer berths after graduation.
Approved institutes & academies
| Institute | Location | Type |
|---|---|---|
| Tokyo University of Marine Science and Technology | Tokyo | University |
| Kobe University (Faculty of Maritime Sciences) | Kobe | University |
| National Institute of Technology, Tomakomai College | Tomakomai | Government |
Ranks & salary structure
Merchant navy officers progress through a clear rank ladder in two main departments — Deck (navigation) and Engine — plus the Electro-Technical Officer (ETO) role. Promotion depends on sea-time and higher Certificates of Competency.
Japanese officers working for domestic (domestic trade) companies are paid in JPY; those crewing FOC or international ships earn USD wages broadly in line with the global ladder below.
| Rank | Department | Indicative pay (USD / month) |
|---|---|---|
| Deck Cadet / Trainee | Deck | $300 – $700 |
| Third Officer (3/O) | Deck | $2,500 – $4,000 |
| Second Officer (2/O) | Deck | $3,500 – $5,500 |
| Chief Officer (C/O) | Deck | $6,000 – $9,500 |
| Master (Captain) | Deck | $9,000 – $15,000 |
| Trainee / Fifth Engineer | Engine | $300 – $700 |
| Fourth Engineer (4/E) | Engine | $2,500 – $4,500 |
| Third Engineer (3/E) | Engine | $4,000 – $6,000 |
| Second Engineer (2/E) | Engine | $7,000 – $10,500 |
| Chief Engineer (C/E) | Engine | $9,000 – $15,000 |
| Electro-Technical Officer (ETO) | ETO | $4,000 – $6,500 |
Figures are indicative monthly wages for foreign-going officers and vary by company, flag state, vessel type and contract length.
Documents, exams and planning checklist
Confirm eligibility and medical standards before paying any institute fees.
Shortlist only training routes recognised by JCG / MLIT.
Keep passport, academic records, medical certificate and sponsorship letters organised.
Frequently asked questions
How many Japanese seafarers are there?+
Japan has around 35,000–40,000 active seafarers, though numbers have declined over decades. The government has active recruitment campaigns to reverse this trend.
Is it hard to become a merchant marine officer in Japan?+
Entry into the national maritime universities is competitive. Language is a factor — exams and on-board training are primarily in Japanese, though international certification requires English competency.
Life at sea
Shore leave, paperwork, fatigue, mental health, contracts and pensions affect seafarers in much the same way whatever country they train in, so they are covered once, in real-life issues on ships.