This article is about the demographic features of the population of Hong Kong, including population density, ethnicity, education level, health of the populace, religious affiliations and other aspects of the population. Ethnically, Hong Kong mainly consists of ethnic Chinese, making up approximately 92.6% of the population. Of these, many originate from various regions in Guangdong. There are also a number of descendants of immigrants from elsewhere in Mainland China and around the world after the end of World War II.