Indonesia million by 2050. Around 8 million Indonesians live overseas, with most of them settled in Malaysia, Netherlands, Saudi Arabia, United Arab Emirates, Hong Kong, Singapore, United States, and Australia. Indonesia is a very ethnically diverse country, with around 300 distinct native ethnic groups. Most Indonesians descend from Austronesian-speaking peoples whose languages can be traced to Proto-Austronesian, which possibly originated in what is now Taiwan. Another major grouping are the Melanesians, who inhabit eastern Indonesia (Maluku Islands and Western New Guinea). The Javanese are the largest ethnic group, comprising 40.2% of the population. They are predominantly located in the central to
World population less than US$1.25 per day; approximately 870 million people (12.25%) are undernourished. 83% of the world's over-15s are considered literate. In June 2014, there were around 3.03 billion global Internet users, constituting 42.3% of the world population. The Han Chinese are the world's largest single ethnic group, constituting over 19% of the global population in 2011. 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%). The world's largest religion is Christianity, whose adherents account for 31% of the global population; Islam is the second-largest religion,