The economy of San Diego is the 17th largest among metro areas in the United States and 4th largest among California's metro areas, with a gross domestic product in Greater San Diego of $206 billion in 2014.[1] The economy is also part of the San Diego–Tijuana international metropolitan area. The largest sectors of San Diego's economy are defense/military, tourism, international trade, and research/manufacturing.[2][3] In 2014, San Diego was designated by a Forbes columnist as the best city in the country to launch a small business or startup company.[4]