Polity Atlas
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Federal countries

Forum of Federations · 2026

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Type
Web page
Accessed
2026-09-01
Reliability notes
States that there are roughly 25 federal countries representing 40 per cent of the world's population; accessed October 2026.

Claims citing this source

1 claims
EstablishedAccording to the Forum of Federations, roughly 25 countries are federations, together representing about 40% of the world's population.