What Changed in Section J in ISIC Rev. 5?

The main change in Section J in ISIC Rev. 5, UN Statistics Division, is that the old Rev. 4 Section J has been split. The new Section J covers publishing, broadcasting and content production and distribution, while telecommunications, computer programming, consultancy, computing infrastructure and other information services moved to the new Section K. ISIC Rev. 5 as a whole was endorsed by the UN Statistical Commission in March 2023, and it contains 22 sections, 87 divisions, 258 groups and 463 classes.

The split, stated as a before and after

Under Rev. 4, Section J was a broad information section. It held publishing and broadcasting alongside telecommunications, computer programming, and related information services, so a single section total mixed content creation with the networks and software that carried and processed it. Under Rev. 5, that section is split. The new Section J covers publishing, broadcasting and content production and distribution. Telecommunications, computer programming, consultancy, computing infrastructure, and other information services moved to the new Section K.

That split is the whole story of this guide, and everything else here is a consequence of it. ISIC Rev. 5 as a whole was endorsed by the UN Statistical Commission in March 2023, and it contains 22 sections, 87 divisions, 258 groups and 463 classes. The numbers are worth stating plainly, because they show the scale of the structure inside which this one section moved, and because a reader who treats Rev. 5 Section J as a relabelled Rev. 4 Section J will be working with the wrong total from the start.

What now lives in each new section?

The new Section J is focused on publishing, broadcasting and content. Its work is creating, producing, and distributing content: books and journals issued to readers, programmes scheduled and transmitted to audiences, films and recordings finished and released, news gathered and supplied to outlets.

The new Section K takes the carriage and computing side: telecommunications transmission, computer programming, consultancy, computing infrastructure, and other information services. Those activities did not disappear, and they did not become less important. They moved, so that their growth can be tracked separately from the growth of content itself. Content distribution also received clearer treatment in Rev. 5, including social network sites, and the wording was updated to reflect digital publishing and distribution rather than assuming a printed original.

A statistics office, updating a time series the hard way

Picture a statistics office that has published a Rev. 4 Section J total for years and now must produce a Rev. 5 series. It cannot simply rename the old total. It must split it, unit by unit, moving telecom and computing units to Section K and keeping publishing and broadcasting units in Section J, using the UNSD correspondence material and the Rev. 5 publication from the UN Statistics Division.

Four habits that now mislead, and what replaces them

Keeping telecommunications in Section J, as in Rev. 4, overstates the new section at once. Keeping computer programming in Section J does the same, for a different set of units. Assuming every Rev. 4 code maps unchanged to Rev. 5 ignores the whole purpose of the revision, since some activities moved section and others were reworded. Using a Rev. 4 title without checking the Rev. 5 structure turns a familiar label into a trap, because the same words can now sit in a different place.

What replaces those habits is a short discipline: check the Rev. 5 entry, check the correspondence material for the old code, and check the neighbouring new entries before settling. Printing, which remains manufacturing, and retail sale of content, which remains trade, are useful reminders during that check, because they show that not every nearby activity moved at all.

Why the split helps a reader of modern media statistics

Without the split, digital change would be hard to read. Content, carriage, and computing were growing at different speeds and for different reasons: a hit programme, a network upgrade, and a new software service do not share a cause, and a single total would hide all three stories inside one line. The Rev. 5 split lets analysts track content creation separately from the networks and software that carry and process it, which is closer to how the modern media economy actually works. A rise in Section J can then be read as a content story, and a rise in Section K as a carriage or computing story, rather than both being blurred together.

This guide describes that statistical change only, and it is statistical classification only. It does not determine a code, a principal activity, or a registration for any reader, and a real case should be confirmed with the national statistical institute or business register that holds the record, against the full Rev. 5 wording and correspondence material for that case.