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- Life expectancy in France
Life expectancy in France
Our World in Data's line chart drew 58.6K views on X: 2.0x its typical post and #40 of 139 Our World in Data charts we track by views. Read Oct 10, 2026.
It’s a common misconception that life expectancy has increased only because fewer children die. Historical mortality records show that adults today also live much longer than adults in the past.
Why it spread
This post from @OurWorldInData spread because it paired a high polish line chart with a myth busting framing, reaching 58,570 views, 677 likes, 178 reposts, 19 quotes, and 160 saves, with a quote rate above average and source reach in the top quarter.
What worked
- The post opens by naming a common misconception and then corrects it, which gives readers a reason to share rather than just glance.
- The chart is a polished line chart that shows life expectancy increased at all ages in France, so the visual itself carries the argument instead of only the caption.
- The post is clearly branded, shows a source line, and is highly self labelling, which builds trust and makes it easy to cite.
What to borrow
We could take a widely repeated claim in our own data area, state it plainly, then use a clean line chart with clear labels and a visible source line to show what the fuller record actually says.
Careful
Do not assume the same framing will always travel, since this result came from an independent author with polished design and a top quarter source reach, and the numbers here describe one post rather than a guaranteed pattern.
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 "Life expectancy in France has increased at all ages" 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 adb321fad747.
Approximate values. Our two readings of this chart agreed only in part (confidence 0.32 of 1), so check the original before you quote a number. The API marks it lowConfidence, and ?min_confidence=0.5 leaves it out.
| Path | Returns | Plan | |
|---|---|---|---|
| GET | /api/v1/charts/adb321fad747 | Title, publisher, date, form, point count; with a Max key, the data link | Open |
| GET | /api/v1/charts/adb321fad747/data | Every point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSV | Max |
| GET | /api/v1/charts/adb321fad747/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/adb321fad747/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.
More from Our World in Data
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Questions people ask
How far did Our World in Data's "Life expectancy in France" chart travel?
58,570 views, 677 likes, 178 reposts and 160 saves on X, read Oct 10, 2026. A normal post from @OurWorldInData gets about 28.6K views.
What kind of chart is it?
A line chart. Life expectancy increased at all ages in France.
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.