---
id: "cu_ni"
kind: "datatype"
status: "draft"
is_pii: true
categories: ["pii", "persons"]
country: ["CU"]
langs: ["es"]
quality: 93
url: "http://registry.apicrafter.io/datatype/cu_ni"
---

# Cuban identity card number (`cu_ni`)

> **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.

Número de identidad, the 11-digit national identifier printed on the identity card of Cuban residents. It begins with the date of birth (YYMMDD) and also encodes the century of birth and the sex.

- Personal data (PII): yes
- Categories: Personally identifiable information (pii), Person related (persons)
- Countries: Cuba (CU)
- Languages: Spanish (es)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^\d{11}$
```

## Examples

- `37110693016` — Synthetic number in the documented format
- `06110680099` — Synthetic number in the documented format
- `371106930167` (invalid example) — One character too many

## Mappings

- dpv: `pd:OfficialID`
- stdnum: `cu.ni`

## Supported by tools

- `dataprep`
- `pythonstdnum`

## Translations

- es: Número de identidad

## Sources

- other: <https://arthurdejong.org/python-stdnum/doc/2.2/stdnum.cu.ni.html>
- other: <https://docs.dataprep.ai/user_guide/clean/clean_cu_ni.html>

## Quality

Score 93/100. Missing: authoritative source link.

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