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

# Estonian personal identification code (isikukood) (`ee_ik`)

> **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.

Isikukood, the 11-digit personal code in Estonia. 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: Estonia (EE)
- Languages: Estonian (et)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^[1-8]\d{10}$
```

## Examples

- `40612037308` — Synthetic number with a valid check digit
- `68711217148` — Synthetic number with a valid check digit
- `406120373087` (invalid example) — One character too many

## Mappings

- dpv: `pd:OfficialID`
- purview: `Estonia personal identification code`, `EU national identification number`, `EU Tax Identification Number (TIN)`, `EU Tax identification number`
- stdnum: `ee.ik`

## Supported by tools

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

## Translations

- et: Isikukood

## Sources

- wikipedia: <https://et.wikipedia.org/wiki/Isikukood>
- doc: <https://www.riigiteataja.ee/akt/106032012004>
- other: <https://arthurdejong.org/python-stdnum/doc/2.2/stdnum.ee.ik.html>
- other: <https://docs.dataprep.ai/user_guide/clean/clean_ee_ik.html>

## Quality

Score 100/100.

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