File:Change of number of scientific works by field (visualization of OpenAlex data).png

Original file (3,000 × 1,648 pixels, file size: 559 KB, MIME type: image/png)

Summary

Description
English: https://twitter.com/OpenAlex_org/status/1489644301042683908

"Relevant data details fyi:

- there are about 205 million works in OpenAlex right now. - most but not all works are tagged with Concepts - concepts are not exclusive, most papers have about 10"

It's an example of a visualization of year-spanning changes to science overall such as the share of papers and authors by field.

Less output in terms of number of papers is not necessarily detrimental and can be considered a desirable change for scientific and/or societal progress of the affected field/s. Visualizations like this only offer preliminary bird's eye views that could be improved, get used only to identify potential things to investigate further or get approached entirely differently.

See the source to see what data the API returns for the used queries. Scientific disciplines are top-level OpenAlex concepts, each study has multiple topics (concepts).
Date
Source https://observablehq.com/@prototyperspective/open-alex-studies prior version: [1]
Author Shubhanshu Mishra and own work
Other versions
File:Change in number of works by field during decade 2015–2025.svg
File:Change in number of academic works by field over the decade 2015–2025.svg
File:Academic works by discipline over time (visualization of studies data in OpenAlex).png
File:Annual change of works (per year) in the field of physics over time.svg
Physics only
File:Annual change of works (per year) in the field of Computer Science over time.svg
Computer science only
File:Change of number of scientific works by field (OpenAlex data).svg

Licensing

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Captions

Graph illustrating the recent development/history of scientific outputs based on data in OpenAlex.org

Items portrayed in this file

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8 February 2022

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376,298 byte

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1,837 pixel

File history

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Date/TimeThumbnailDimensionsUserComment
current20:45, 6 April 2026Thumbnail for version as of 20:45, 6 April 20263,000 × 1,648 (559 KB)Prototyperspectivey axis label
20:28, 6 April 2026Thumbnail for version as of 20:28, 6 April 20262,000 × 1,099 (354 KB)Prototyperspectivehigher res
20:25, 6 April 2026Thumbnail for version as of 20:25, 6 April 2026728 × 400 (103 KB)Prototyperspectiveupdated to 2025; made text readable in inkscape
10:38, 8 January 2023Thumbnail for version as of 10:38, 8 January 20231,837 × 1,002 (367 KB)Prototyperspectivedata was updated; crop 2021 because many of its papers aren't yet indexed
14:56, 20 February 2022Thumbnail for version as of 14:56, 20 February 20221,260 × 696 (164 KB)PrototyperspectiveUploaded a work by Shubhanshu Mishra from https://observablehq.com/@napsternxg/open-alex-data-evolution with UploadWizard

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