Here is a list of the largest consumer markets in 2017.
Overall world consumer spending is at about $44 trillion.
(millions of USD, nominal) % of GDP Year
United States 12,820,694 69% 2016
European Union 9,613,986 56% 2017
China 4,697,723 38% 2017
Japan 2,756,598 56% 2016
Germany 1,952,625 53% 2017
United Kingdom 1,724,051 66% 2017
India 1,528,691 59% 2017
France 1,396,436 54% 2017
Brazil 1,303,885 63% 2017
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