Publications with a Dutch institution by open access status (OpenAlex): hybrid is the largest part, 28% in 2025

Breakdown in 2025: hybrid 28%, gold 26%, green 23%, closed 14%, diamond 4.9%, bronze 3.3%. Total: 101,181 publications.

Source: OpenAlex, works met minstens één Nederlandse instelling (group_by open_access.oa_status) · opgehaald 25 oktober 2026Open the table Single block

These figures come from

Dutch research in OpenAlex, OpenAIRE, ROR and DataCite

OpenAlex (OurResearch)

Four open registries together give a picture of Dutch research. OpenAlex (CC0) knows 2,169,548 works with at least one Dutch institution, 101,270 of them from 2025, and 1,869 Dutch institutions. OpenAIRE Graph counts 3,718,728 research products with country NL. ROR gives 1,916 Dutch organisations a persistent identifier. DataCite holds the DOIs of datasets, including those of DANS and 4TU.ResearchData. All without a key (as of 16 October 2026).

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Open the table at OpenAlex The API call behind this block All about this source

Access: Open
Licence: OpenAlex CC0; ROR CC0; DataCite-metadata CC0; OpenAIRE Graph CC BY
Table: works, group_by open_access.oa_status
Latest figure: 2025
Fetched: 25 October 2026

Fetch exactly these figures yourself

curl "https://api.openalex.org/works?filter=institutions.country_code:NL,publication_year:2025&group_by=open_access.oa_status"

Publications with a Dutch institution by open access status (OpenAlex): hybrid is the largest part, 28% in 2025

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4TU.ResearchData DOIs per publication year, counted in DataCite (prefix 10.4121): 3,047 DOIs in 2025, 9.1 times as much as in 2013

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