China spends 9% of GDP on infrastructure. In 2013, it launched the One Belt, One Road Initiative, the largest global infrastructure project in history. China will spend $150 billion a year to link 68 countries along the old Silk Road with Europe. China's economy produced $25.3 trillion in 2018, according to the International Monetary Fund. That's based on purchasing power parity which takes into account the effect of exchange rates. That makes it the best method for comparing gross domestic product by country. China GDP in current US dollar was 11,015,542 million. GNI per capita, Atlas method (current US$) was 7,910.00 . China Trade balance: as % of GDP was 3.26. Trade balance in current US$ was 358,836.00 million. Trade as percentage of GDP was 39.63 . Trade in services as percentage of GDP was 5.93 .