[[File:Adelaide skyline in 2023.jpg|thumb|[[Adelaide]] ranked number one in Number's Quality of Life Index 2021]]
[[Numbeo]] is a [[crowd-sourced]] global database of reported [[consumer price index|consumer prices]], perceived [[crime rate]]s, quality of [[health care]], among other statistics.<ref>{{Cite web|title=About Quality of Life Indices At This Website|url=https://www.numbeo.com/quality-of-life/indices_explained.jsp|access-date=2021-03-10|website=www.numbeo.com}}</ref>
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! colspan="3" |Numbeo's Quality of Life Index In 2021<ref>{{Cite web|title=Quality of Life Index by City 2021|url=https://www.numbeo.com/quality-of-life/rankings.jsp?title=2021|access-date=2021-03-10|website=www.numbeo.com}}</ref>