Compare countries without inventing national IQ.
Country comparisons are useful only when the tested population, year, subject, and method remain attached. IQ Caddy keeps every official indicator on its own scale.
United States
Country learning and human-capital indicators are kept separate and are never presented as an official national IQ.
Open evidence record Official modelBrazil
Country learning and human-capital indicators are kept separate and are never presented as an official national IQ.
Open evidence record Official modelFinland
Country learning and human-capital indicators are kept separate and are never presented as an official national IQ.
Open evidence record Official modelSingapore
Country learning and human-capital indicators are kept separate and are never presented as an official national IQ.
Open evidence record Official modelSouth Africa
Country learning and human-capital indicators are kept separate and are never presented as an official national IQ.
Open evidence record Official modelIndia
Country learning and human-capital indicators are kept separate and are never presented as an official national IQ.
Open evidence record