1. Once intelligent, always intelligent
2. IQ is rising in developed countries
3. A higher IQ protects you from death
4. The TOP 10 countries with the highest average IQ
| Countries | IQ |
|---|---|
| Hong Kong | 107 |
| South Korea | 106 |
| Japan | 105 |
| Taiwan | 104 |
| Singapore | 103 |
| Austria | 102 |
| Germany | 102 |
| Italy | 102 |
| Netherlands | 102 |
| Sweden | 101 |
5. The 10 countries with the lowest average IQ
| Countries | IQ |
|---|---|
| Sudan | 72 |
| Tanzania | 72 |
| Ghana | 71 |
| Nigeria | 67 |
| Guinea | 66 |
| Zimbabwe | 66 |
| Congo | 65 |
| Sierra Leone | 64 |
| Ethiopia | 63 |
| Equatorial Guinea | 59 |
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