Indonesia is an island nation in Southeast Asia, on the island of Java. It is the world's most populous country, with over 140 million inhabitants as of 2017. The country is officially called the Republic of Indonesia.

It is the second largest economy in Asia, and one of the largest in the world. The Indonesian economy is heavily dependent on exports, especially goods produced in Indonesia. The nation has the sixth-highest GVA per capita in the world. It has also been classified as one of the most mobile in Asia.

The Indonesian language is an official language in the country and is spoken by over 99% of the population.