Data Quality Ratings
This column reviews and rates the accuracy and utility of economic data worldwide.
GDP, population, and capacity to produce data are analysed below. Price, employment, dependency, inequality and other forms of economic data will be reviewed through 2020.
Check your Country's GDP Data Quality Rating
Major differences exist in the quality of both GDP and population data between countries. When GDP and population data of poor quality are combined to produce GDP per capita data the accuracy of the resulting ratio is further diminished. Read more
How countries can increase GDP easily, relatively cheaply and legitimately. Read more
The Data Quality Ratings are based on a weighted average of 5 variables. In addition to an overall DQR score, each country is given a summary rating (A-D) designed to offer an overall view of data utility. Read more
The accuracy of population data varies widely across countries. The most comprehensive data on the number of people living in a territory and their demographic profile, a vital component for public sector economic and social planning and also for private sector needs, is usually available from the result of a census.
The quality of regular national income estimates and also population estimates during and between censuses depends to a considerable extent on the statistical capacity of national statistics offices. Statistical capacity, and consequently the ability to adhere to global standards, depends critically on the resources and information available at any given time and place.
National Economic Statistics Office Contacts
A log of SNA and Base Year corrections to IMF and World Bank Data issued by the individual National Statistics Offices.
China GDP data has been assigned a 'better than average quality' grade, it provides a...