ISBN registration group
ISBN group 978-91 — Sweden
ISBNs beginning 978-91 are issued for Sweden. The group identifier has 2 digits.
Registrant (publisher) ranges
| Registrant range | Registrant digits | Publication digits | Titles per registrant | Registrants in range |
|---|---|---|---|---|
| 0–1 | 1 | 6 | 1,000,000 | 2 |
| 20–49 | 2 | 5 | 100,000 | 30 |
| 500–649 | 3 | 4 | 10,000 | 150 |
| 6500000–6849999 | — | — | — | Not yet assigned |
| 6850–8199 | 4 | 3 | 1,000 | 1,350 |
| 8200000–8499999 | — | — | — | Not yet assigned |
| 85000–94999 | 5 | 2 | 100 | 10,000 |
| 9500000–9699999 | — | — | — | Not yet assigned |
| 970000–999999 | 6 | 1 | 10 | 30,000 |
Shorter registrant numbers are issued to larger publishers (more publication digits = more titles).
Reading an ISBN from this group
Every ISBN in this group starts 978-91-. The next digits are the registrant; look up which range the following seven digits fall into to know how long the registrant element is. For example, if the registrant has 1 digits, the publication element has 6 digits, then comes the check digit.
Check, convert or hyphenate any ISBN with the ISBN converter, and make a print-ready barcode with the ISBN barcode generator.
Sources & data
- International ISBN Agency RangeMessage (Fri, 2 Oct 2026 16:08:21 UTC).