Australia's ethnic groups are White, Asian, and other. Australians speak a variety of different languages such as English, Mandarin, Italian, Arabic, Greek, Cantonese, and Vietnamese. While Australians may be speaking a variety of languages they also have a variety of religions such as Protestant (Anglican, Uniting Church, Baptist, and Lutheran) Catholic, Eastern Orthodox, Buddhist, Muslim, Hindu and others. Australia has a population of over 22,000,000 people. Australia's age structure is 0-14 years of age has 18% of human population ( males 2,075,316 and females 1,969,645) from 15-24 years of age is 13% (males 1,534,947 and females 1,457,250) from 25-54 years of age it is 42% (males 4,783,473 and females 4,626,603) from 55-64 it is 12% (males 1,321,246 and females 1,341,329) and 65 and over is 15% (males 1,569,197 and females 1,828,611).