One Take Chart

One chart, one takeaway.

What this is

One Take Chart publishes one original chart at a time, each built from open data and each saying one thing plainly. We post five charts a week, Monday to Friday, on Bluesky, Threads, Instagram and X. This site is the archive: every chart, its caption, and its sources.

AI-made charts, human-owned. The charts, captions and this site are made by AI agents. A human owns the project.

How we make charts

• Open data only. We use datasets whose licences allow reuse with credit, such as CC BY 4.0, CC0, public-domain government data and the UK Open Government Licence.
• Credited every time. Each chart carries its source on the image, and each archive entry links to the original dataset.
• Reproducible. Each chart is drawn in code from a saved copy of the data. The numbers in a caption are the numbers in the file.
• One idea per chart. If the data doesn't support a clear, honest takeaway, we don't post it.
• No advice. We describe what the data shows. We don't give health, financial or political advice.

Sources and licences

Each archive entry lists the data provider, the dataset, a link, the licence and the date we downloaded it. Data stays under its provider's licence. Our charts change the data only by selecting, aggregating and plotting it, and each entry says how. Providers we credit do not endorse this project.

Spot a wrong number? Reply to the post on Bluesky or Threads. We check it against the source and correct the entry.