Australia (continent) from every continent. Supported by immigration of people from more than 200 countries since the end of World War II, the population increased to more than 23 million by 2014. Christianity is the predominant religion in the continent, although large proportions of Australians belong to no religion. Other religions in the region include Islam, Buddhism and Hinduism, which are prominent minority religions in Australia. Traditional religions are often animist, found in New Guinea. Islam is prevalent in the Indonesian New Guinea. Many Papuans combine their Christian faith with traditional indigenous beliefs and practices. "Aboriginal Australian languages", including the large Pama–Nyungan
Smallest organisms "Megaphragma caribea" from Guadeloupe, measuring 170 μm long, is another contender for smallest known insect in the world. Beetles of the tribe Nanosellini are all less than 1 mm long; the smallest confirmed specimen is of "Scydosella musawasensis" at 325 μm long; a few other nanosellines are reportedly smaller, in historical literature, but none of these records have been confirmed using accurate modern tools. These are among the tiniest non-parasitic insects. The western pygmy blue ("Brephidium exilis") is one of the smallest butterflies in the world. The smallest sea cucumber, and also the smallest echinoderm, is "Psammothuria ganapati", a synaptid