WCF has more than 370 single organizations, distributed worldwide,
also in the United States. WCF is an internationally operating federation, officially registered in the registration court in Germany.
The FIFe can be considered as the United Nations of Cat Federations. In fact it is a federation of national members representing, at present, 40 countries with 42 full members and 1 country with a patronage member, but whose numbers continue to grow.