World GDP Chart
Current World GDP: 75.54 Trillion USD
World GDP for Dec 2016
Mean: 26.06 Trillion USD
Median: 19.13 Trillion USD
Min: 1.37 Trillion USD (Dec 1960)
Max: 78.87 Trillion USD (Dec 2014)

World Gross Domestic Product in US current dollars (not inflation-adjusted).

Source: World Bank > World > World GDP