Indonesian Language

First use: Malay has been the lingua franca in the Indonesian archipelago for half a millenium.

Established: October 1928 (Sumpah Pemuda)

Native speakers: 23 million (9.69% of population)

Second language speakers: 140 million (58.97% of population)

Language family
 * Astronesian
 * Malayo-Polynesian
 * Nuclear Malayo-Polynesian
 * Malay
 * Indonesian (80% cognate with Malaysian)
 * Malaysian
 * Borneo-Philippine
 * Central Philippine
 * Philippine

Indonesia

Population: 237,424,363 (4th)

Islands: 17,508

Living languages in Indonesia:
 * 2007: 742
 * 2009: 726
 * Mostly Astronesian, some West Papuan and Trans–New Guinea