Indonesia is the largest economy in Southeast Asia.

Industry accounts for the largest share of GDP (46.5% of GDP). In industry, the most important is manufacturing, which has become one of the main growth engines (accounting for 24% of total output). The mining and quarrying industry accounts for 12%, the construction industry accounts for 10%, and electricity, natural gas, and water supply accounts for 0.75%. The service industry accounts for 38% of GDP.

In services, the most important are: trade, hotels, and restaurants (approximately 14% of GDP); Transportation and communication (accounting for 7% of GDP); Finance, real estate, and commercial services (accounting for 7% of GDP) and government services (accounting for 6%). Agriculture accounts for the remaining 15%.