This report is a study of the key tax ratios of 49 of the largest companies in the retail sector. The analysis looks into the effective tax rate (ETR) and current tax rate reported by these companies, the trend over the last three years, and the drivers of the ETR. It also compares the ETR of US-based companies to non-US-based-companies, of "domestic" to "multinational" companies, and the ETRs of retailers to companies in other sectors. All ratios are derived from publicly available information.