A total of 1.6 million people in the metropolitan area were born in Asia, according to the Census Bureau. The NY metro area trails at 1.5 million and the Bay Area is third at 707,000. The report covers only those born in Asia as opposed to American-born offspring and descendents. As for specific countries, the Chinese are the largest immigrant group in L.A., at 295,000, followed by Filipinos (288,000) and Vietnamese (229,000). From Census report:
During the last 50 years, the number of foreign born from Asia increased rapidly in the United States, from about 0.5 million in 1960 to 11.6 million in 2011.1,2,3 In 2011, the foreign born from Asia represented over one-fourth of the total foreign-born population in the nation. This brief discusses the size, place of birth, citizenship status, educational attainment, and geographic distribution of the foreign born from Asia in the United States. Data on the foreign-born population from Asia are presented at the national and state levels based on the 2011 American Community Survey (ACS).