Demographic features of the population of Hong Kong include population density, ethnicity, education level, the health of the populace, religious affiliations, and other aspects.
Hong Kong is one of the most densely populated areas in the world, with an overall density of some 6,300 people per square kilometre. At the same time, Hong Kong has one of the world's lowest birth rates—0.68 per woman of child-bearing age as of 2022, far below the replacement rate of 2.1. It is estimated that 26.8% of the population will be aged 65 or more in 2033, up from 12.1% in 2005. Hong Kong recorded a crude birth rate of 8.2 per 1,000 people on average annually in 2005–2010.
