query: What percentage of the world is Chinese?
passage: World population
The Han Chinese are the world's largest single ethnic group, constituting over 19% of the global population in 2011.[80] The world's most-spoken first languages are Mandarin Chinese (spoken by 12.44% of the world's population), Spanish (4.85%), English (4.83%), Arabic (3.25%) and Hindustani (2.68%).[71] The world's largest religion is Christianity, whose adherents account for 31% of the global population; Islam is the second-largest religion, accounting for 24.1%, and Hinduism the third, accounting for 13.78%.[71] In 2005, around 16% of the global population were reported to be non-religious.[81]
passage: Chinese language
Chinese (; or ) is a group of related, but in many cases not mutually intelligible, language varieties, forming the Sinitic branch of the Sino-Tibetan language family. Chinese is spoken by the Han majority and many minority ethnic groups in China. About 1.2 billion people (around 16% of the world's population) speak some form of Chinese as their first language.