{"id":"open-data","title":"How often do published papers link their data?","asOf":"2026-11-09","source":"https://seqdesk.org/data/open-data","license":"Aggregate facts compiled by SeqDesk from public archives (EMBL-EBI / Europe PMC; DataCite) 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/open-data","citation":"SeqDesk (2026). How often do published papers link their data? [original data analysis]. Snapshot 2026-11-09. Retrieved from https://seqdesk.org/data/open-data","data":{"schemaVersion":1,"generatedAt":"2026-11-09T17:14:55.820Z","asOf":"2026-11-09","title":"Do published papers actually share their data?","subtitle":"Two whole-index desk-checks of open-data practice, re-counted weekly: the share of open-access papers that link at least one dataset (Europe PMC), and how much of DataCite's 130-million-DOI corpus carries a machine-readable licence. Aggregate counts only.","papers":{"source":"EMBL-EBI / Europe PMC (REST search, whole-index hit counts)","denominator":"open-access papers, by publication year","headline":{"latestYear":2025,"latestShare":0.791,"latestOa":921821,"latestHasData":728922,"earliestYear":2010,"earliestShare":0.394},"series":[["2010",0.394],["2011",0.392],["2012",0.394],["2013",0.415],["2014",0.44],["2015",0.477],["2016",0.535],["2017",0.599],["2018",0.63],["2019",0.662],["2020",0.676],["2021",0.711],["2022",0.731],["2023",0.74],["2024",0.773],["2025",0.791]],"byYear":{"2010":{"oa":81275,"hasData":31999,"share":0.394},"2011":{"oa":110712,"hasData":43412,"share":0.392},"2012":{"oa":150494,"hasData":59339,"share":0.394},"2013":{"oa":186509,"hasData":77447,"share":0.415},"2014":{"oa":223837,"hasData":98474,"share":0.44},"2015":{"oa":252203,"hasData":120239,"share":0.477},"2016":{"oa":276046,"hasData":147814,"share":0.535},"2017":{"oa":315099,"hasData":188767,"share":0.599},"2018":{"oa":355930,"hasData":224182,"share":0.63},"2019":{"oa":415085,"hasData":274749,"share":0.662},"2020":{"oa":598444,"hasData":404778,"share":0.676},"2021":{"oa":751485,"hasData":534013,"share":0.711},"2022":{"oa":850749,"hasData":621938,"share":0.731},"2023":{"oa":775087,"hasData":573679,"share":0.74},"2024":{"oa":774159,"hasData":598172,"share":0.773},"2025":{"oa":921821,"hasData":728922,"share":0.791},"2026":{"oa":772287,"hasData":615449,"share":0.797,"partial":true}}},"datacite":{"source":"DataCite REST API (whole-corpus counts)","total":141019428,"anyRights":101027549,"withLicenseId":42661207,"anyRightsFraction":0.716,"licenseIdFraction":0.303,"licenses":[{"id":"cc-by-4.0","title":"CC BY 4.0","count":17007091,"fraction":0.121},{"id":"cc0-1.0","title":"CC0 1.0 (public domain)","count":16003285,"fraction":0.113},{"id":"cc-by-nc-4.0","title":"CC BY-NC 4.0","count":4880041,"fraction":0.035},{"id":"cc-by-sa-4.0","title":"CC BY-SA 4.0","count":1182955,"fraction":0.008},{"id":"cc-by-nc-sa-4.0","title":"CC BY-NC-SA 4.0","count":820050,"fraction":0.006},{"id":"cc-by-nc-nd-4.0","title":"CC BY-NC-ND 4.0","count":700433,"fraction":0.005},{"id":"cc-by-3.0","title":"CC BY 3.0","count":345638,"fraction":0.002},{"id":"mit","title":"MIT","count":330454,"fraction":0.002},{"id":"apache-2.0","title":"Apache 2.0","count":80916,"fraction":0.001}]}}}