Indonesia is being the top country by GDP in the world. As of 2015, GDP in Indonesia was 5,106,693,902 million volume, at constant 2005 prices - national currency that accounts for 39.50 % of the world's GDP. The top 5 countries (others are Iran, Viet Nam, Republic of Korea, and Japan) account for 85.90 % of it. The world's total GDP was estimated at 12,929,317,159 million volume, at constant 2005 prices - national currency in 2015.
Expenditure-based gross domestic product is total final expenditure at purchasers’ prices (including final consumption expenditure, gross fixed capital formation, changes in inventories, valuables and f.o.b. value of exports of goods and services), less the f.o.b. value of imports of goods and services.