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Slavery and forced labor abolition
Our World in Data's area chart drew 23.2K views on X: 0.8x its typical post and #97 of 139 Our World in Data charts we track by views. Read Oct 10, 2026.
✍️ New article: Tracking historical progress against slavery and forced labor: a long-run data view
Why it spread
This post spread because it paired a hot topic that week with a chart that explains itself, reaching 23,244 views, 221 likes, 63 reposts, 9 quotes, and 58 saves from an account in the top quarter for source reach, with an above average quote rate.
What worked
- The area chart shows a clear long run trend, that countries with large-scale forced labor have decreased over 250 years, so the message lands without extra explanation.
- The post is self labelling and branded, with a source line shown, which builds trust for a data journalism account.
- The framing ties a heavy historical subject to a hopeful present, which matches a hot topic that week and invites sharing and quoting.
What to borrow
We could take a long run topic and show it as a simple area chart with a clear self labelling title and a visible source line, so the trend reads on its own.
Careful
Do not over read the engagement as proof of the chart design alone, since the topic was hot that week and the account has top quarter source reach, and do not treat the missing comment and points data as meaningful.
Written by our analysis model from the measured numbers above, not by Our World in Data.
Make it yours
Your numbers, in this line chart.
Starts from the real numbers of "Slavery and forced labor have become less common" by Our World in Data. Replace every number with yours before you post. Make one like this, step by step
Free pictures carry a small "Made with ViralChart" line. That line is how other people find us.
API · Max
Use this chart via API
On the Max plan you can pull this chart's numbers with the provenance of each one, as JSON or CSV, with its redraw spec, or call it from an agent over MCP. Chart id 53e01d2e8bbd.
| Path | Returns | Plan | |
|---|---|---|---|
| GET | /api/v1/charts/53e01d2e8bbd | Title, publisher, date, form, point count; with a Max key, the data link | Open |
| GET | /api/v1/charts/53e01d2e8bbd/data | Every point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSV | Max |
| GET | /api/v1/charts/53e01d2e8bbd/render?view=1 | The draw-only view this page uses | Open |
| POST | /mcp | Tool get_chart_data with this id, for Claude, Cursor and other agents | Max |
curl -s https://viral-chart.com/api/v1/charts/53e01d2e8bbd/data \
-H "Authorization: Bearer $VIRALCHART_KEY"claude mcp add --transport http viralchart https://viral-chart.com/mcp \
--header "Authorization: Bearer $VIRALCHART_KEY"60 requests a minute per key; over that you get 429 with Retry-After. Up to 5 keys per account, made on your account page and shown once. Without Max, the data route answers 402 with a link to the plans. The numbers describe a chart its publisher owns, and every file carries a license note.
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How far did Our World in Data's "Slavery and forced labor abolition" chart travel?
23,244 views, 221 likes, 63 reposts and 58 saves on X, read Oct 10, 2026. A normal post from @OurWorldInData gets about 28.6K views.
What kind of chart is it?
A area chart. Countries with large-scale forced labor have decreased over 250 years.
Can I use Our World in Data's chart?
Use the format, not the picture. The chart, logo and design belong to Our World in Data. ViralChart redraws the chart type with your numbers and words, and credits the original publisher.




