Number of people living in households that shopped at Walmart Supercenter grocery stores within the last 7 days in the United States from spring 2008 to spring 2016 (in millions)People living in households that shopped at Walmart Supercenter (last 7 days) in the U.S. 2016.
A VAT number, properly called a VAT Registration Number, is an alphanumeric identifier -- consisting of up to 15 characters -- unique to any corporate entity doing business in a European Union country that implements the Value Added Tax system.
A tax reference number is given to every employer which has both employees and a Pay as You Earn scheme set up by HMRC. This tax reference will identify the employer and will be used on all correspondence. However, other reference numbers are allocated by HMRC, like a VAT number or Corporation Tax number.