Korea ranked 31st in the world in terms of quality on gross domestic product data, according to a report released by World Economics, a U.K.-based economic information provider.

The Data Quality Index developed by the consulting firm to show which countries data can be trusted covered five factors, including national accounting standards used and the size of the informal economy.

Korea gained 75 points in the 100 possible score. Switzerland topped the list with 97.2 points, followed by the United States with 94.8 points.

In the Asian region, Hong Kong and Singapore were included in the top 10 list while Japan stood at No. 22, China at No. 63 and India at No. 53.