指標	値
総人口	26,700,000–27,200,000 人UN DESA WPP [2024] 26,710,000 人·World Bank WDI [2024] 27,200,000 人
年齢中央値	38 年UN DESA WPP [2024]
平均寿命	83.1–83.9 年World Bank WDI [2024] 83.05 年·UNDP HDI [2023] 83.92 年
民族構成	イングランド系 33%、オーストラリア系 29.9%、アイルランド系 9.5%、スコットランド系 8.6%、中国系 5.5%、イタリア系 4.4%、ドイツ系 4%、インド系 3.1%、オーストラリア先住民 2.9%、ギリシャ系 1.7%、未指定 4.7%（2021年推定）；注：<strong>注：</strong>データは自己申告による祖先を表し、2つの祖先を報告する選択肢が含まれていますCIA World Factbook [2025] · 2026 archive
言語	英語 72%、マンダリン 2.7%、アラビア語 1.4%、ベトナム語 1.3%、広東語 1.2%、その他 15.7%、未指定 5.7%（2021年推定）；注：<strong>注：</strong>データは家庭で話されている言語を表していますCIA World Factbook [2025] · 2026 archive
宗教	ローマ・カトリック 20%、プロテスタント 18.1%（アングリカン 9.8%、統合教会 2.6%、長老派および改革派 1.6%、バプテスト 1.4%、ペンテコステ派 1%、その他のプロテスタント 1.7%）、その他のキリスト教 3.5%、イスラム教 3.2%、ヒンドゥー教 2.7%、仏教 2.4%、正教 2.3%（東方正教 2.1%、東方正教（オリエント） 0.2%）、その他 2.1%、無宗教 38.4%、未指定 7.3%（2021年推定）CIA World Factbook [2025] · 2026 archive
都市化	総人口の86.6%（2023）CIA World Factbook [2025] · 2026 archive
人口増加率	1.99 %World Bank WDI [2024]
出生率	10.7 1,000人当たりWorld Bank WDI [2024]
死亡率	6.88 1,000人当たりWorld Bank WDI [2024]
都市人口	87.6 %World Bank WDI [2024]
言語 (構造化)	Adnyamathanha Aghu Tharnggalu Aghu Tharnggalu (Retired) Alawa Alngith Alyawarr Ami Amurdak Andegerebinha Angkamuthi Anguthimri Anindilyakwa Anmatyerre Antakarinya Arabana Arakwal Archaic Angloromani Areba Arritinngithigh Atampaya Athima Auslan Australian Aborigines Sign Language Awabakal Badimaya Badjirri Bandjigali Banggarla Bardi Barranbinya Barrow Point Bayali Bayungu Ben-Lomond-Cape-Portland Bidyara Bigambal Bindal-Cunningham Bindal-Gorton Bindal-Mount Elliot Bininj Kun-Wok Biri Birrdhawal Broome Pearling Lugger Pidgin Bruny Island Bularnu Bulloo River Bunaba Bunganditj Burarra Burduna Cocos Islands Malay Colac Condamine-Upper Clarence Bandjalang Dagoman Dayi Dhalandji Dhangu Dhargari Dharumbal Dhudhuroa Dhurga Dhuwal Dieri Djambarrpuyngu Djangun Djawi Djeebbana Djinang Djinba Djiwarli Dyaabugay Dyaberdyaber Dyangadi Dyirbal Dyugun Eastern Arrernte Eastern Yiddish English Erre Far North Queensland Indigenous Sign Language Fiji Hindi Flinders Island Gaagudju Gajirrabeng Gambera Ganai Ganggalida Gangulu Garig-Ilgar Garrwa Giya Giyug Gooniyandi Gudang Gudjal Gugadj Gugu Badhun Gugu Mini Gugubera Gulunggulu Gumatj Gungabula Gunya Gupapuyngu Guragone Gurdjar Gureng Gureng Gurindji Gurindji Kriol Guugu Yimidhirr Guwa Guwamu Guwar Guyambal Guyani Hawkesbury Ikaranggal Iwaidja Jaminjung-Ngaliwurru Jaru Jawoyn Jingulu Kabikabi Kala Lagaw Ya Kalaamaya Kalarko-Mirniny Kalkatungu Kamu Kanju Karadjeri Kariyarra Karruwali Kaurna Kawarrang-Ogh Undjan Kayardild Kaytetye Kitja Kok-Nar Kokata Koko Babangk Koko Dhawa Kriol Kukatja Kuku-Mangk Kuku-Mu'inh Kuku-Muminh Kuku-Ugbanh Kuku-Uwanh Kuku-Yalanji Kumbainggar Kunbarlang Kungarakany Kunggara Kunggari Kunjen Kurrama Kuthant Kuuk-Yak Kuuku-Ya'u Kuungkari of Barcoo River Kwini Lake Carnegie Western Desert Lamalama Laragia Lardil Light Warlpiri Limilngan Linngithigh Lower Darling-Lower Lachlan Lower Richmond Lower Riverland Lower Southern Aranda Madngele Malgana Manangkari Manda (Australia) Mandandanyi Mangala Mangarrayi Mangerr Maranunggu Margany Margu Maridan Maridjabin Marimanindji Maringarr Marithiel Mariyedi Marra Marriammu Marti Ke Martu Wangka Martuthunira Mawng Mayaguduna Maykulan Mbabaram Mbara-Yanga Mbiywom Meriam Middle Clarence Bandjalang Minkin Miriwoong Sign Language Miriwung Mithaka Miwa Mpalityanh-Luthigh Mudburra Mullukmulluk Muluridyi Murriny Patha Muruwari Nakara Nangikurrunggurr Narrinyeri Narungga Nauo Neo-Mandaic New South Wales Pidgin Ngaanyatjarra Ngadjunmaya Ngadjuri Ngalakgan Ngalkbun Ngamini-Yarluyandi-Karangura Ngandi Nganyaywana Ngardi Ngarinman Ngarinyin Ngarla Ngarla on the Ashburton river south of the Hamersley range Ngarluma Ngarnka Ngawun Ngiyambaa Ngkoth Ngumbarl Ngurmbur Nhanda Nhangu Nhuwala Nijadali Nimanbur North Midlands Tasmanian Northern Inland Yuin Northern Sunraysia Northwestern Tasmanian Nugunu (Australia) Nungali Nyamal Nyangumarta Nyawaygi Nyigina Nyiyaparli-Palyku Nyulnyul Nyunga Olkol Oyster Bay-Big River-Little Swanport Paakantyi Pakanha Palawa Kani Pallanganmiddang Panytyima Pidgin Kaurna Pidgin Ngarluma Piemontese Pimpama Pinigura Pintiini Pintupi-Luritja Pirlatapa Pirriya Pitcairn-Norfolk Pitjantjatjara Pitta Pitta Port Sorell Queensland Kanaka English Rembarrnga Rimanggudhinma Ritharrngu Roth's Gugu Warra South Australian Pidgin English South-Eastern-Tasmanian-Hinterland Southern Coastal Yuin Southern Cook Island Maori Southern Inland Yuin Southwestern Tasmanian Sydney Tagalaka Tasmanian Thayore Thaypan Thiin Thurawal Tiwi Tjurruru Torres Strait-Lockhart River Creole Traveller Scottish Tweed-Albert Tyanngayt-Mamngayt-Ntrwangayt-Ntrangit Tyaraity Umbindhamu Umbugarla Umbuygamu Umiida-Unggarangu Umpila Unggumi Unserdeutsch Upper Riverland Uradhi Urningangg Uwinymil Wadjiginy Wadjigu Wagaya Wageman Wajarri Wakabunga Wakawaka Walangama Walmajarri-Juwaliny Wambayan Wamin Wandarang Wanggamala Wangganguru Wanman Wanyi Wardaman Wariyangga Warlmanpa Warlpiri Warluwara Warray Warrgamay Warrnambool Warrongo Warrwa Warumungu Wathawurrung Western Arrarnta Western Victoria Wik-Epa Wik-Iiyanh Wik-Keyangan Wik-Me'anha Wik-Mungkan Wik-Ngathana Wikalkan Wikngenchera Wilawila Wilson River (Grey Range) Winjarumi Wiradhuri Wirangu Wirangu-Nauo Woiwurrung-Thagungwurrung Worimi Worrorra Wubuy Wulguru Wuliwuli Wulna Wulwulam Wunambal Wurrugu Wuthathi Yadhaykenu Yagara-Jandai Yalarnnga Yanda Yandjibara Yandruwandha Yangathimri Yangkaal Yangman Yankunytjatjara Yanyuwa Yarli Yawarawarga Yawuru Yaygir Yidiñ Yindjibarndi Yindjilandji Yinggarda Yinhawangka Yintyinka-Ayabadhu Yinwum Yir-Yoront Yirandhali Yolngu Sign Language Yorta Yorta Yugambal Yugul Yulparija Yuputhimri Yuru Yuwaalaraay-Gamilaraay Glottolog [2026]