---
id: "dcid"
kind: "datatype"
status: "stable"
is_pii: false
categories: ["identifiers"]
langs: ["common"]
quality: 90
url: "http://registry.apicrafter.io/datatype/dcid"
---

# Datacommons unique id (`dcid`)

Every entity in Data Commons (DC) has a unique identifier, called ‘dcid’. So, for example, the dcid of California is ‘geoId/06’ and of India is ‘country/IND’.

- Personal data (PII): no
- Categories: Universal unique identifiers (identifiers)
- Countries: global
- Languages: Common to most languages (common)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^[A-Za-z0-9_/.-]+$
```

## Examples

- `geoId/06` — California
- `country/IND` — India
- `GiniIndex_EconomicActivity` — Gini coefficient
- `geoId 06` (invalid example) — Spaces are not allowed

## Mappings

- wikidata: `P10730`

## Translations

- ru: Уникальный идентификатор Data Commons (DCID)

## Sources

- other: <https://docs.datacommons.org/bigquery/unique_identifiers.html>
- wikidata: <https://www.wikidata.org/wiki/Property:P10730>

## Quality

Score 90/100. Missing: detector coverage.

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