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Created by Boundless
Economic Prosperity
The United States' Share of World GDP
The United States' share of world GDP (nominal) peaked in 1985 with 32.74% of global GDP (nominal). The second highest share was 32.24% in 2001. Note that it is been declining since then.
Source
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"US share of world GDP since 1980."
http://en.wikipedia.org/wiki/File:US_share_of_world_GDP_since_1980.jpg
Wikipedia
Public domain.