Migration Chain Data Dictionary: Uniform Terminology for Dutch Immigration Agencies

GMK, the Migration Chain Data Dictionary, provides a uniform conceptual framework for 13 Dutch immigration and asylum organizations, including the Immigration and Naturalisation Service and the Central Agency for Asylum Seekers. This open data release contains the description of concepts and management information from the GMK to promote transparency and correct interpretation of exchanged information. The data is published by the Dutch Ministry of the Interior and Kingdom Relations under a CC0-1.0 license.

Use Cases

• Mapping and aligning organizational data models based on the shared conceptual framework described.
• Contextualizing official reports like the State of Migration by using the standardized terminology definitions.
• Analyzing information exchange and process interoperability within the Dutch migration chain.
• Developing training or documentation for immigration procedures using the official chain-wide glossary.

Strengths

• Provides a chain-wide data dictionary adopted by 13 major Dutch immigration and security organizations.
• Explicitly aims to prevent miscommunication and errors by standardizing terminology across agencies.
• Released as open data under a permissive CC0-1.0 license for broad reuse.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and dataset size are unknown, which may limit suitability assessment.
• Last update date is unknown; freshness unverified.

Provenance

Source

Ministerie van Binnenlandse Zaken en Koninkrijksrelaties (Dutch Ministry of the Interior and Kingdom Relations)

Collection Method

Developed as a uniform conceptual framework and glossary for the Dutch migration chain.

Time Range

The data dictionary (GMK) has been in use since 2013.

Freshness

Data dictionary has been in use since 2013, but the specific open data release date is unknown.

Geography

Netherlands