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 0.46 mm. The smallest land snail is "Acmella nana". Discovered in Borneo, Malaysia, and described in November 2015, it measures only 0.7 mm. The previous record was that of "Angustopila dominikae" from China, which was reported in September 2015. This snail measures 0.86 mm. The smallest crustacean, and indeed the smallest arthropod, is the tantulocarid "Stygotantulus stocki", at a length of only . Eriophyid mites measure 125 to 250 μm in length. Adult males of the parasitic wasp "Dicopomorpha echmepterygis" can be as small as 139 μm long, smaller than some species of protozoa (single-cell creatures); females are 40% larger.