Sweden (SE)

National-ID patterns loaded when you pass countries=["SE"] (or "all"). Universal patterns always stay.

This is a detector, not a legal opinion

id-extract matches the shape of these numbers. A hit is not proof that the value was issued, is still valid, or that the cited statute applies to your document. Checksums, where present, only test the extra digit.

PERSONAL_ID_SE — Personnummer

The Swedish personal identity number. Ten or twelve digits with a hyphen before the last four.

Package type	PERSONAL_ID_SE
Shape this package looks for	6 or 8 digits + hyphen + 4 digits
Checksum	none in this package (Luhn is official)
Example (synthetic)	811228-9874

Official sources

• Skatteverket — personal identity number
• Folkbokföringslag (1991:481)

The example values are synthetic or well-known public test numbers. Do not treat them as issued identifiers.