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Australia
Austria
Freethinkers, Atheists, Humanists & Others
Belgium
Brazil
Brazilian Association of Atheists and Agnostics
Brazilian Humanist Solidarity Party
Round Earth Society
Canada
Cuba
Cuban Evolutionary Humanist Movement
Denmark
Finland
Support Society of Prometheus Camp
Union of Freethinkers
France
Germany
German Skeptics
International League of Nonreligious and Atheists
Central Council of Ex-Muslims
Greece
Iceland
India
Indonesia
Ireland
Italy
Atheists and Agnostics Rationalists Union
Luxembourg
LIBCO
Mexico
Nepal
Netherlands
New Zealand
Norway
Pakistan
Peru
Philippines
Portugal
Russia
Scotland
Slovakia
Spain
Sweden
Tanzania
Free and Fearless Thinkers
Turkey
Uganda
United Kingdom
United States of America