The accuracy of population data varies widely across countries. In order to take account of the problems and to assess the relative accuracy of population estimates World Economics has produced a Population Data Quality Rating (PDQR). The ratings cover three factors: Cenus year, Statistical capacity and Registration of live births. Learn more...
Yemen's data is highlighted in the table below, use the filter and sort order options to allow easy comparison with other countries.
Data source: World Economics Research, London