Hong Kong SAR, China vs Bulgaria
Average IQ by country
Compare historical data and trends between these two countries
Historical Comparison
Detailed Data
| Year | Hong Kong SAR, China | Bulgaria | Difference |
|---|---|---|---|
| 2025 | 108.0 IQ points | 93.0 IQ points | +15.0 IQ points |
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Compare Average IQ by country data between Hong Kong SAR, China and Bulgaria. Data is sourced from reliable international organizations and updated regularly.
Data sources: World Bank, IMF, OECD, Transparency International