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Validate Sweden TIN (Personnummer)

Free online Personnummer validator. Instant validation using OECD-compliant rules for Sweden tax identification numbers.

Validation Workspace

Validate Personnummer

Enterprise checks for Sweden tax identification numbers.

Instant one-by-one format validation

Sweden

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Sweden

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Personnummer format check

Enter a Personnummer to validate for Sweden

Tax Identification NumberAwaiting input

Paste values with or without separators. Validation also checks a normalized value.

Use a real Personnummer sample to verify format compliance before filing.

The Personnummer is the official tax identification number used in Sweden. Format: 10 digits (YYMMDD-XXXX) with Luhn checksum

Official source: Skatteverket

What is a Personnummer?

The Personnummer is a Swedish national identification number based on date of birth. Format: YYMMDD-XXXX where the last digit is a Luhn check digit.

How is the Personnummer validated?

Uses the Luhn algorithm (mod-10 checksum). The last digit is calculated from the first 9 digits to detect transcription errors.

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