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Before you write
The answers to the most common questions
Where do the numbers come from?UN World Population Prospects, World Bank Open Data, Wikipedia — and how the live counters are computed.
Can I reuse a figure or a chart?Yes, with a link to the source page. The terms page spells it out.
Is there a download?Every ranking as CSV, plus the full country dataset.
Can I put a live counter on my site?One line of HTML — pick a country and copy the code.