Boston is the capital and most populated city of the Commonwealth of Massachusetts and one of the oldest cities in the United States.
As the most populated city in New England, Boston is considered the economic and cultural center of the region and sometimes unofficially referred to as the "Capital of New England."
In 2013 Boston had a population of 645,966 people making it the twenty-fourth most populated city in the country.
Boston is also the academic and medical center of a highly populated and extensive metropolitan area known as Greater Boston, with a population of 4.7 million people, the nation's tenth largest metropolitan area.
Greater Boston includes cities from Massachusetts and New Hampshire – the Combined Statistical Area (CSA) of Boston that includes commuters considers people coming in from Connecticut and Rhode Island as well as multiple parts of Massachusetts and New Hampshire. The population of the CSA is of 8 million making it the sixth largest CSA in the country.
With hundreds of colleges and universities in and around the city, Greater Boston is a global higher-education center and, in turn, a center for medicine. The economy is largely made up of the following key industries: Life Sciences, Finance, Information Technology, Manufacturing, Renewable Energy, Defense, Creative and Maritime.
The city has undergone rapid gentrification and has one of the highest costs of living in the United States. It also has one of the highest standards of living in the world.