National Archives finding aids by year of last change: 2024 is the largest part, 58% in October 2026

Breakdown in October 2026: 2024 58%, 2025 31%, 2026 11%. Total: 7,411 finding aids.

Source: Nationaal Archief, OAI-PMH (archiefinventarissen als EAD) · opgehaald 25 oktober 2026 · selection: datestamp per jaar, 2024–2026Open the table Single block

These figures come from

National Archives of the Netherlands, finding aids and scans

Nationaal Archief

The National Archives publish their finding aids as open data (CC0) via OAI-PMH, in EAD XML. On 16 October 2026 there were 7,411 finding aids (7,442 sets), each with the description of the archive and its inventory numbers. Where scans exist, each inventory number has a METS file linking to the images (public domain or CC0). Finding aids made by third parties (2.8 percent) are not open data.

This block is an example of what you can show with this source. Open the source itself to look further, pick other figures or use the data in your own work.

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

Access: Open
Licence: CC0 (inventarissen; 2,8% uitgezonderd), publiek domein of CC0 (scans)
Table: OAI-PMH ListIdentifiers (oai_ead)
Latest figure: oktober 2026
Fetched: 25 October 2026

Fetch exactly these figures yourself

curl "https://service.archief.nl/gaf/oai/!open_oai.OAIHandler?verb=ListIdentifiers&metadataPrefix=oai_ead"

curl "https://service.archief.nl/gaf/oai/!open_oai.OAIHandler?verb=ListIdentifiers&metadataPrefix=oai_ead&from=2024-01-01T00:00:00Z&until=2024-12-31T23:59:59Z"

curl "https://service.archief.nl/gaf/oai/!open_oai.OAIHandler?verb=ListIdentifiers&metadataPrefix=oai_ead&from=2025-01-01T00:00:00Z&until=2025-12-31T23:59:59Z"

National Archives finding aids by year of last change: 2024 is the largest part, 58% in October 2026

More in this topic

Museums in the Netherlands by theme (CBS count): history is the largest part, 65% in 2024

Printed titles from the Low Countries per year (STCN, KB): 1,364 titles in 1800, 49 times as much as in 1540

Heritage datasets in the NDE Dataset Register by licence: most CC BY 4.0 (1,833 datasets), then CC0 1.0 and CC BY-SA 4.0

Records in Open Archives by Dutch archive: most Brabants Historisch Informatie Centrum (25,449,700 records), then Stadsarchief Amsterdam and Stadsarchief Rotterdam

National monuments per municipality: most Amsterdam (7,679 national monuments), then Maastricht and Utrecht

National monuments: highest in Noord-Holland (14,052 national monuments), lowest in Flevoland (110 national monuments)