Indonesia officially the Republic of Indonesia. Indonesia is the world's largest island country and the 14th-largest country by area. Indonesia is the world's fourth-most populous country and the most populous Muslim-majority country. Java, the world's most populous island, is home to more than half of the country's population.
Indonesia is a presidential, constitutional republic with an elected legislature. It has 34 provinces, of which five have special status. The country's capital, Jakarta, is the world's second-most populous urban area.
The economy of Indonesia is the world's 16th-largest by nominal GDP and the 7th-largest by PPP. It is a regional power and is considered a middle power in global affairs. The country is a member of several multilateral organisations, including the United Nations, World Trade Organization, G20, and a founding member of the Non-Aligned Movement, Association of Southeast Asian Nations, East Asia Summit, and the Organisation of Islamic Cooperation.