Most of the residents in Oceania are _ _ _ immigrants, and a few indigenous people are _ _ and _ _

The population is 29 million. It accounts for about 0.5% of the world's population and is the least populated continent in the world except Antarctica. 65% of the population of the whole continent is distributed in the Australian mainland. The population density among island countries varies greatly. Local residents such as Papuans, Australians, Tasmanians, Maori, melanesians, Micronesia and Polynesia account for about 20% of the total population, and European descendants account for more than 70%, in addition to mixed-race, Indians, China and Japanese.

Language: Most residents speak English, while the local residents of the three islands speak Melanesian, Micronesia and Polynesian.

Religion: Most residents believe in Christianity, a few believe in Catholicism and most Indians believe in Hinduism.