Search Passport for data and country reports supplied by Euromonitor for many countries.
One can search for statistics (and reports) on broad categories such as Store-based retailing or specific categories such as Clothing and footwear.
Go to Statista
Also, you can go to Eurostat or go to U.S. Census: Retail Trade for U.S. data.
See the Global Retail Development Index (GRDI) published by A.T. Kearney.
