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Median age China UK
Our World in Data's line chart drew 42.9K views on X: 1.5x its typical post and #55 of 139 Our World in Data charts we track by views. Read Oct 10, 2026.
The median age in China has rapidly caught up with the United Kingdom, In 1965, the median age in the United Kingdom was almost twice that of China. Half of the people in the UK were younger than 34 years, and half were older. In China, thi
Why it spread
This post spread because it explains itself and landed on a hot topic that week, reaching 42,886 views with 224 likes, 52 reposts, 11 quotes and 28 saves.
What worked
- The post text explains itself by pairing the two countries and naming the starting gap, so readers need no prior context.
- The chart is a line chart with high self labelling and a visible source line, which makes the trend easy to read at a glance.
- It hit a hot topic that week, and the account is branded, so the post rode existing attention with a trusted name attached.
What to borrow
We could take a single long run comparison between two places or groups, state the starting gap in plain words in the post text, and let a clearly labelled line chart carry the change over time.
Careful
Do not over read the engagement as proof of chart quality alone, since the hot topic that week and the branded account both helped, and the design polish was only medium.
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 "The median age in China has rapidly caught up with the United Kingdom" by Our World in Data. Replace every number with yours before you post. Make one like this, step by step
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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 fe40fd41f7e0.
| Path | Returns | Plan | |
|---|---|---|---|
| GET | /api/v1/charts/fe40fd41f7e0 | Title, publisher, date, form, point count; with a Max key, the data link | Open |
| GET | /api/v1/charts/fe40fd41f7e0/data | Every point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSV | Max |
| GET | /api/v1/charts/fe40fd41f7e0/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/fe40fd41f7e0/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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How far did Our World in Data's "Median age China UK" chart travel?
42,886 views, 224 likes, 52 reposts and 28 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. China's median age catches up with UK.
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.


