Frequently asked questions about the Japan Standard Industrial Classification and this reference site.
This site is a reference tool, not the official government portal. Always verify against official sources.
The Japan Standard Industrial Classification (JSIC) is the official classification system used by the Japanese government to categorise economic activities. It is maintained by the Ministry of Internal Affairs and Communications (Soumu). Revision 14 took effect on 1 April 2024.
JSIC has a four-level hierarchy: Section (letter A–T), Major group (2 digits), Group (3 digits), and Industry (4 digits). Each level narrows the classification from broad sector to specific activity.
JSIC Rev. 14 covers 1411 industries across 519 groups, 98 major groups and 20 sections.
Use the search page. You can search by code (e.g. 0111) or keyword (e.g. rice, finance, construction). The search is fuzzy — it will find partial matches.
Start from the structure overview or any section page. Each section has an expandable tree showing major groups, groups and industries.
No. This is an independent reference site. The official sources are published by Soumu and e-Stat; links are listed on the sources page.
Visit the corrections page for reporting issues. We review all reports against official sources.