1. Chart data
  2. The median age in China has rapidly caught up with the Unite
Our World in DataLine chart · 32 points · Our World in Data

The median age in China has rapidly caught up with the United Kingdom

The numbers behind a chart Our World in Data published, redrawn natively. Check the original, study the data, then make your own.

Estimated from the image 78%All chart data
Chart by Our World in Data. Source: x.com

Simplified redraw

Drawn by us from the numbers below. Hover, tap or use the arrow keys.

A simplified redraw: it shows the numbers in our own look, not the look of the original. One accent marks what the chart is about. Values marked with ~ in the table are estimates.

The numbers

First 10 of 32 points are free
GroupSeriesxValue (years)SourceConf.
1950United Kingdom1950~34Estimate0.80
1955United Kingdom1955~34Estimate0.80
1960United Kingdom1960~34.5Estimate0.80
1965United Kingdom1965~34.5Estimate0.80
1970United Kingdom1970~34Estimate0.80
1975United Kingdom1975~33.5Estimate0.80
1980United Kingdom1980~33.5Estimate0.80
1985United Kingdom1985~34Estimate0.80
1990United Kingdom1990~34.5Estimate0.80
1995United Kingdom1995~35.5Estimate0.80

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2000United Kingdom2000~36.5Estimate0.80
2005United Kingdom2005~37.5Estimate0.80
2010United Kingdom2010~38.5Estimate0.80
2015United Kingdom2015~39Estimate0.80
2020United Kingdom2020~39.5Estimate0.80
2025United Kingdom2025~40Estimate0.80
1950China1950~22.25Estimate0.65
1955China1955~21Estimate0.80
1960China1960~20Estimate0.80
1965China1965~20Estimate0.80
1970China1970~18.5Estimate0.80
1975China1975~18Estimate0.80
1980China1980~19.25Estimate0.65
1985China1985~20.75Estimate0.65
1990China1990~21.5Estimate0.80
1995China1995~24Estimate0.80
2000China2000~27Estimate0.80
2005China2005~30.5Estimate0.80
2010China2010~34.25Estimate0.65
2015China2015~36.75Estimate0.65
2020China2020~38.5Estimate0.80
2025China2025~40Estimate0.80
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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.

See the Max planAPI docs
PathReturnsPlan
GET/api/v1/charts/fe40fd41f7e0Title, publisher, date, form, point count; with a Max key, the data linkOpen
GET/api/v1/charts/fe40fd41f7e0/dataEvery point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSVMax
GET/api/v1/charts/fe40fd41f7e0/render?view=1The draw-only view this page usesOpen
POST/mcpTool get_chart_data with this id, for Claude, Cursor and other agentsMax
curlMax
curl -s https://viral-chart.com/api/v1/charts/fe40fd41f7e0/data \
  -H "Authorization: Bearer $VIRALCHART_KEY"
Claude CodeMax
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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All chart data
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Questions people ask

How accurate are these numbers?

They are estimated from the image by two independent passes, with confidence 0.78 on a 0 to 1 scale. Printed numbers read well; values read off an axis can be a few percent off.

Can I reuse this data?

The numbers describe a chart that Our World in Data published. The image, layout and styling belong to them. Use the numbers with a credit to the publisher, and make your picture from your own data.

How do I get the file?

The JSON, CSV and agent skill file are under the email gate on this page. In this prototype they are static files at /api/charts/fe40fd41f7e0.json and /api/charts/fe40fd41f7e0.skill.md.