---
id: "lt_asmens"
kind: "datatype"
status: "draft"
is_pii: true
categories: ["pii", "persons"]
country: ["LT"]
langs: ["lt"]
quality: 100
url: "http://registry.apicrafter.io/datatype/lt_asmens"
---

# Lithuanian personal code (asmens kodas) (`lt_asmens`)

> **Draft.** Draft records have not been reviewed yet and may be incomplete or wrong; do not treat them as authoritative for legal or compliance decisions.

Asmens kodas, the 11-digit personal code in Lithuania. The first digit gives the sex and the century of birth, the next six the date of birth (YYMMDD), then come a 3-digit serial number and a check digit.

- Personal data (PII): yes
- Categories: Personally identifiable information (pii), Person related (persons)
- Countries: Lithuania (LT)
- Languages: Lithuanian (lt)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^[1-69]\d{10}$
```

## Examples

- `61210100830` — Synthetic number with a valid check digit
- `55902131283` — Synthetic number with a valid check digit
- `612101008307` (invalid example) — One character too many

## Mappings

- dpv: `pd:OfficialID`
- purview: `Lithuania personal code`, `EU national identification number`, `EU Tax Identification Number (TIN)`, `EU Tax identification number`
- stdnum: `lt.asmens`

## Supported by tools

- `awsglue`
- `azureailanguage`
- `dataprep`
- `microsoftpurview`
- `pythonstdnum`
- `snowflake`

## Translations

- lt: Asmens kodas

## Sources

- wikipedia: <https://lt.wikipedia.org/wiki/Asmens_kodas>
- wikipedia: <https://en.wikipedia.org/wiki/National_identification_number#Lithuania>
- other: <https://arthurdejong.org/python-stdnum/doc/2.2/stdnum.lt.asmens.html>
- other: <https://docs.dataprep.ai/user_guide/clean/clean_lt_asmens.html>

## Quality

Score 100/100.

JSON: <http://registry.apicrafter.io/api/v1/datatypes/lt_asmens.json> · Edit: <https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/LT/persons/lt_asmens.yaml>