For each of the three external sources, in addition to national results, results limited to the six province area covered by the SEC are also shown to increase comparability with the SEC. As comparisons between national and SEC area results from the external sources make clear, the older population in the six SEC provinces resembles fairly closely the older population at the national level, at least with respect to the characteristics included in the table. Perhaps the largest difference, as indicated by the 2000 DHS, is that the older population in the six provinces covered by SEC are slightly.
