The USA, EU and China make up $46 trillion of the $74 trillion world economy on an exchange rate basis. The USA, EU and China make up $54 trillion out of $112 trillion in PPP GDP (Purchasing Power parity)
The EU, China and the USA make up 62% of the world economy on a exchange rate (nominal) basis.
The EU, China and the USA make up 49% [with Hong Kong] of the world economy on a PPP (Purchasing Power parity) basis.
India PPP GDP ($8 trillion) is equal to Japan PPP GDP and ASEAN PPP GDP.
However, in terms of Import and Exports Japan is nearly double the level of India.
The PPP GDP of Asia has a PPP GDP of about $50 trillion and PPP GDP of Aaia without China and Hong Kong is about $30 trillion.
Exports between countries makes up about 22% of overall world economy.
Brian Wang is a Futurist Thought Leader and a popular Science blogger with 1 million readers per month. His blog Nextbigfuture.com is ranked #1 Science News Blog. It covers many disruptive technology and trends including Space, Robotics, Artificial Intelligence, Medicine, Anti-aging Biotechnology, and Nanotechnology.
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