World Real GDP Chart
Current World Real GDP: 80.08 Trillion USD
World Real GDP for Dec 2017
Mean: 39.07 Trillion USD
Median: 36.10 Trillion USD
Min: 11.20 Trillion USD (Dec 1960)
Max: 80.08 Trillion USD (Dec 2017)

World Gross Domestic Product in US constant 2000 dollars (inflation-adjusted).

Source: World Bank > World > World Real GDP