In recent years, policymakers across the globe have become increasingly interested in not only the revenue consequences of tax policies but also their distributional impacts: that is, their impacts on different segments of the population. Such evidence can promote a more equitable and...

This chapter reviews the evidence on cross-national comparisons of annual disposable income inequality in over 20 wealthy nations. We begin by reviewing a number of conceptual and measurement issues which must be addressed by any cross-national comparison of survey-based household income data....