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  3. Child mortality decline
Our World in Data@MaxCRoser · Oct 6, 2026 · Line chart

Child mortality decline

Our World in Data's line chart drew 204K views on X: 3.5x its typical post and #9 of 139 Our World in Data charts we track by views. Read Oct 10, 2026.

The share of children who died before they were 5 years old in 1950 and 75 years later.

Posted on X by @MaxCRoser (Our World in Data), Oct 6, 2026. Source: x.com · See its data

Why it spread

This post spread because it paired a clear line chart of child mortality falling in every world region with a widely trusted independent author, drawing 203,981 views, 3,025 likes, 904 reposts, 169 quotes, and 439 saves.

What worked

  • The chart shows a simple, hopeful story that child mortality has declined in all world regions, which is easy to understand and share.
  • The post text gives concrete regional numbers for 1950 and 75 years later, such as Africa going from 33% to 6% and Asia from 25% to 2.5%.
  • The post comes from an independent author in data journalism with top quarter source reach and a top quarter quote rate, which added credibility and discussion.

What to borrow

We could use the same form by taking one global indicator, showing its long term decline across regions on a line chart, and labelling each region with its start and end values.

Careful

Do not copy the exact framing as proof that our own charts will spread, and do not over read the quote rate or saves as a guarantee of impact.

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 "Child mortality has declined in all world regions" 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 615759ae1670.

PathReturnsPlan
GET/api/v1/charts/615759ae1670Title, publisher, date, form, point count; with a Max key, the data linkOpen
GET/api/v1/charts/615759ae1670/dataEvery point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSVMax
GET/api/v1/charts/615759ae1670/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/615759ae1670/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.

More from Our World in Data

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Questions people ask

How far did Our World in Data's "Child mortality decline" chart travel?

203,981 views, 3,025 likes, 904 reposts and 439 saves on X, read Oct 10, 2026. A normal post from @MaxCRoser gets about 59K views.

What kind of chart is it?

A line chart. Child mortality has declined in all world regions.

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.