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ISICUnited Nations (global)Revision 5 (2024)

International Standard Industrial Classification

ISIC is the UN reference classification of productive activities, providing the global standard that national systems map to. Revision 5 (2024) is the current edition, with 22 sections.

ISICNAICSNAICS CanadaSCIANSICUK SICNACENICANZSICJSICICNEA

How an ISIC code is built

Each digit narrows the activity from the broadest sector down to a specific national industry. Here's how 0111 decomposes:

A · 0111
A
SectionAgriculture, forestry & fishing
01
DivisionCrop & animal production
011
GroupGrowing of non-perennial crops
0111
ClassGrowing of cereals

Structure at a glance

LevelDigitsCountExample
SectionLetter22A Agriculture
Division2-digit8701 Crop & animal production
Group3-digit258011 Growing of non-perennial crops
Class4-digit4630111 Growing of cereals

Browse sections

AAgriculture, forestry and fishing
divisions 01-03
BMining and quarrying
divisions 05-09
CManufacturing
divisions 10-33
DElectricity, gas, steam and air conditioning supply
divisions 35
EWater supply; sewerage, waste management and remediation activities
divisions 36-39
FConstruction
divisions 41-43
GWholesale and retail trade
divisions 46-47
HTransportation and storage
divisions 49-53
IAccommodation and food service activities
divisions 55-56
JPublishing, broadcasting, and content production and distribution activities
divisions 58-60
KTelecommunications, computer programming, consultancy, computing infrastructure, and other information service activities
divisions 61-63
LFinancial and insurance activities
divisions 64-66
MReal estate activities
divisions 68
NProfessional, scientific and technical activities
divisions 69-75
OAdministrative and support service activities
divisions 77-82
PPublic administration and defence; compulsory social security
divisions 84
QEducation
divisions 85
RHuman health and social work activities
divisions 86-88
SArts, sports and recreation
divisions 90-93
TOther service activities
divisions 94-96
UActivities of households as employers; undifferentiated goods- and services-producing activities of households for own use
divisions 97-98
VActivities of extraterritorial organizations and bodies
divisions 99

History

Maintained by the UN Statistics Division since 1948, ISIC reached Revision 5 in 2024 — restructuring the economy into 22 sections — and serves as the backbone for international economic data comparison.

Usage & importance

Used by the UN and national statistical offices worldwide as the basis for comparable international economic statistics — and, on this site, as the hub every other system converts through.

Revision timeline

1948
Rev. 1
First international standard
1968
Rev. 2
Broad modernization
1989
Rev. 3
Service sector detail
2008
Rev. 4
2008 edition
2024
Rev. 5
Current edition (22 sections)

Convert ISIC codes to any other system

Verified crosswalks between ISIC and the other ten systems, both sides clickable.

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