Data Insights
Bite-sized insights on how the world is changing, published every few days.
March 04, 2024
Differences in life expectancy across the world are extremely large
People in richer countries tend to live much longer than those in poorer countries.
We can see this in the cross-country life expectancy statistics shown on the chart. In Japan, life expectancy at birth is about 85 years, while in Chad and Nigeria, life expectancy is about 52 years — a gap of over three decades.
March 01, 2024
Pacemakers are crucial to people with heart rhythm disorders, but their adoption varies widely
Pacemakers are crucial medical devices for people with heart disorders and irregular heartbeats. They provide a steady heart rhythm and help the heart pump blood effectively to the rest of the body.
The chart shows that there are large differences in the rates of pacemaker implantations across countries.
In France and Sweden, over 1,000 per million people each year receive pacemaker implantations. In Egypt and Turkey, that figure is less than 150.
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