The economy of Manchester is among the largest in England. Manchester is a city and metropolitan borough of Greater Manchester. It lies within the United Kingdom's second-most populous urban area, with a population of 2.55 million. Manchester's commercial centre is in Manchester city centre, focused on Spinningfields, Mosley Street, Deansgate, King Street and Piccadilly Gardens.
Historically, the world's first industrialised city, the region was once in economic and population decline. In 2012 Greater Manchester South, which includes the cities of Manchester and Salford and three other metropolitan boroughs, was the largest NUTS3 area outside London in economic terms, and growth was 3.8% vs the Core Cities average of 2%. Between 2002 and 2012 Greater Manchester South grew 45% vs. national growth of 44%. Meanwhile, the 2011 census also showed that Manchester was the fastest growing city in the UK in terms of population. Manchester is also a city of contrast, where some of the UK's most deprived and most affluent neighbourhoods can be found. According to the 2010 Indices of Multiple Deprivation Manchester is the 4th most deprived local authority in England. On the other hand, Greater Manchester is home to more multi-millionaires than anywhere outside London, with the City of Manchester taking up most of the tally. In 2013 Manchester was ranked 6th in the UK for quality of life, according to a rating of the UK's 12 largest cities.