 Compared to the national averages, the unemployment rate is lower and the average income higher; tertiary education levels are higher, while the population is younger.The word "Canberra" is popularly claimed to derive from the word or , which is claimed to mean "meeting place" in Ngunnawal, one of the Indigenous languages spoken in the district by Aboriginal Australians before European settlers arrived, although there is no clear evidence to support this.An alternative definition has been claimed by numerous local commentators over the years, including the Ngunnawal elder Don Bell, whereby or means "woman's breasts" and is the indigenous name for the two mountains, Black Mountain and Mount Ainslie, which lie almost opposite each other.