{"id":"preprints","title":"Preprints are exploding - but do they share data?","asOf":"2026-10-19","source":"https://seqdesk.org/data/preprints","license":"Aggregate facts compiled by SeqDesk from public archives (EMBL-EBI / Europe PMC) and re-served under each source's terms. Only whole-archive percentages and counts are published — no record-level identifiers. Provided as-is, no warranty. Full method & sources: https://seqdesk.org/data/preprints","citation":"SeqDesk (2026). Preprints are exploding - but do they share data? [original data analysis]. Snapshot 2026-10-19. Retrieved from https://seqdesk.org/data/preprints","data":{"schemaVersion":1,"generatedAt":"2026-10-19T14:34:29.087Z","asOf":"2026-10-19","title":"Preprints are exploding — but do they share data?","subtitle":"Preprint volume has grown roughly twenty-fold in a decade, yet preprints link a dataset far less often than open-access MEDLINE-indexed journal papers. Whole-index counts from Europe PMC, re-counted weekly. The preprint data-link share is shown for transparency but is sensitive to annotation lag — read the gap and the volume, not single-year wobbles.","source":"EMBL-EBI / Europe PMC (REST search, whole-index hit counts)","headline":{"latestYear":2025,"preprintShare":0.065,"publishedShare":0.816,"gap":12.554,"latestVolume":187030,"latestVolumeYear":2025,"earliestVolume":7585,"earliestVolumeYear":2016,"volumeGrowth":25},"series":{"volume":[["2016",7585],["2017",15755],["2018",31215],["2019",48759],["2020",128326],["2021",153829],["2022",147775],["2023",176117],["2024",182126],["2025",187030]],"preprintDataShare":[["2016",0.014],["2017",0.013],["2018",0.011],["2019",0.017],["2020",0.156],["2021",0.126],["2022",0.124],["2023",0.104],["2024",0.065],["2025",0.065]],"publishedDataShare":[["2016",0.544],["2017",0.61],["2018",0.641],["2019",0.682],["2020",0.699],["2021",0.735],["2022",0.757],["2023",0.762],["2024",0.796],["2025",0.816]]},"byYear":{"2016":{"preprints":7585,"withData":103,"share":0.014,"published":271094,"publishedWithData":147430,"publishedShare":0.544},"2017":{"preprints":15755,"withData":204,"share":0.013,"published":308920,"publishedWithData":188297,"publishedShare":0.61},"2018":{"preprints":31215,"withData":357,"share":0.011,"published":348747,"publishedWithData":223638,"publishedShare":0.641},"2019":{"preprints":48759,"withData":817,"share":0.017,"published":401631,"publishedWithData":273959,"publishedShare":0.682},"2020":{"preprints":128326,"withData":20018,"share":0.156,"published":558345,"publishedWithData":390366,"publishedShare":0.699},"2021":{"preprints":153829,"withData":19358,"share":0.126,"published":707013,"publishedWithData":519798,"publishedShare":0.735},"2022":{"preprints":147775,"withData":18329,"share":0.124,"published":802200,"publishedWithData":606961,"publishedShare":0.757},"2023":{"preprints":176117,"withData":18260,"share":0.104,"published":733024,"publishedWithData":558801,"publishedShare":0.762},"2024":{"preprints":182126,"withData":11784,"share":0.065,"published":737356,"publishedWithData":586856,"publishedShare":0.796},"2025":{"preprints":187030,"withData":12088,"share":0.065,"published":882919,"publishedWithData":720392,"publishedShare":0.816},"2026":{"preprints":181043,"withData":7250,"share":0.04,"published":670971,"publishedWithData":546805,"publishedShare":0.815,"partial":true}}}}