Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
YEAR reports the year when the survey was fielded, as a four-digit variable. In some cases, the DHS was conducted over the course of two years (e.g., Ethiopia 2010-2011), but YEAR always gives a single year. For full information about the timing of the surveys, please consult the IPUMS-DHS Sample Descriptions page.