Chinese people are people or ethnic groups identified with China, usually through ethnicity, nationality, citizenship, or other affiliation. The Han Chinese are the largest ethnic group in China, comprising approximately 92% of its mainland population. Han Chinese people also comprise approximately 95%, 92%, 89% and 74% of the population of Taiwan, Hong Kong, Macau and Singapore respectively. They are also the world's largest ethnic group, comprising approximately 18% of the global human population. There is also an extensive Chinese diaspora known as Overseas Chinese.