Population Data Quality - Ratings
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: Census year, Statistical capacity and Registration of live births. Learn more...
Data source: World Economics Research, London
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Key:
Data Quality Index numbers shown on a scale of 0-100.
0 = Poor, 100 = Excelent.
Statistical Capacity Index numbers shown on a scale of 0-100.
0 = Low level of resrouces, 100 = High level of resources.
Grade definitions:
A: As good as it gets
B: Good
C: Use with caution
D: Poor
E: Extremely poor quality
See:
Data for individual countries and underlying data click on the country name
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