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This FACT indicates the global connectivity of Australian cities as ranked by the Globalization and World Cities (GaWC) Research Network from the year 2010. A global city (also referred to as an alpha city) is a city generally considered to be an important node in the global economic system of finance and trade. The data was interpreted and given a numbering system from 1-12, where a city that had a 'sufficiency' rating was given the value of 1, and a city with an 'alpha++' rating was given a value of 12. According to GaWC, Sydney has the highest global connectivity ranking in Australia, as an Alpha Plus(+); Melbourne is next at Alpha Minus (-); then Brisbane at Beta Minus (-) and Adelaide rated Gamma Plus (+). Canberra is described as High Sufficiency, whilst Darwin and Hobart have not qualified for a rating, and hence are assigned a value of zero.