Cameroon Business Directory: CMR is the ISO 3 alphabet country code of Cameroon. Currency of Cameroon is FCFA, which has a short code of XAF. Capital of Cameroon is Yaounde. Cameroon has the population of 24678234 and approximate area is 475440.00 square kilometers (or approx. 295438.416 square miles). Population density of Cameroon is approx. 51/Km2 (or approx. 31.6914/mile2)