Chinese Americans are Americans who have full or partial Han Chinese ancestry. Chinese Americans constitute one group of overseas Chinese and also a subgroup of East Asian Americans, which is further a subgroup of Asian Americans. Many Chinese Americans are immigrants along with their descendants from mainland China, Hong Kong, Macau, and Taiwan, as well as from other regions that include large populations of the Chinese diaspora, especially Southeast Asia and some Western countries like Canada, United Kingdom, Australia, New Zealand, and Brazil.
The Chinese American community is the largest overseas Chinese community outside of Asia. It is also the third largest in the Chinese diaspora, behind the Chinese communities in Thailand and Malaysia. The Chinese American community comprises the largest ethnic group of Asian Americans, comprising 25.9% of the Asian American population as of 2010. Americans of Chinese descent, including those with partial Chinese ancestry constitute 1.2% of the total U.S. population as of 2010. According to the 2010 census, the Chinese American population numbered approximately 3.8 million. In 2010, half of Chinese-born people living in the United States resided in the states of California and New York.
The Committee of 100 (百人會) includes some of the most accomplished Chinese Americans.