United States 2013 revised
The US13 dataset (Wave IX) was re-harmonised on the basis of the recently re-released original data; the US Census Bureau corrected the 2014 ASEC data files, which are based on the Annual Social and Economic Supplement (ASEC) of the Current Population Survey (CPS), to accommodate an additional tax bracket into 2014 tax model.
This impacted the tax data (and hence the disposable household income) of households at the very top of the income distribution (about 0.5% of the households in the sample).
See Revision Notes for additional information.