Mercer Quality of Living Survey ranks Sydney tenth in the world in terms of quality of living, making it one of the most livable cities. It is classified as an Alpha+ World City by GaWC. Melbourne also ranked highly in the world's most liveable city list, and is a leading financial centre in the Asia-Pacific region. Auckland and Wellington, in New Zealand, are frequently ranked among the world's most liveable cities with Auckland being ranked 3rd according to the Mercer Quality of Living Survey.