| Location | Grade | ||||
| Grade A | Grade B | Grade C | Council of Europe Level C1 | Fail | |
| Argentina | 8.7% | 21.6% | 44.4% | 23.0% | 2.4% |
| Australia | 9.5% | 28.6% | 41.5% | 19.0% | 1.4% |
| Austria | 25.2% | 25.8% | 31.8% | 12.6% | 4.6% |
| Belgium | 14.7% | 14.7% | 29.4% | 29.4% | 11.8% |
| Bosnia and Herzegovina | 3.2% | 16.1% | 41.9% | 38.7% | 0.0% |
| Brazil | 7.2% | 14.8% | 35.6% | 32.6% | 9.9% |
| Bulgaria | 16.3% | 26.6% | 35.4% | 17.9% | 3.8% |
| Canada | 11.1% | 23.6% | 47.2% | 18.1% | 0.0% |
| Chile | 24.4% | 24.4% | 29.3% | 17.1% | 4.9% |
| Colombia | 28.6% | 0.0% | 14.3% | 28.6% | 28.6% |
| Croatia | 15.6% | 29.2% | 38.5% | 14.6% | 2.1% |
| Cuba | 0.0% | 33.3% | 66.7% | 0.0% | 0.0% |
| Cyprus | 0.0% | 12.5% | 50.0% | 25.0% | 12.5% |
| Czech Republic | 33.5% | 25.3% | 26.2% | 11.3% | 3.6% |
| Denmark | 14.9% | 19.1% | 38.3% | 21.3% | 6.4% |
| Ecuador | 0.0% | 0.0% | 40.0% | 60.0% | 0.0% |
| Estonia | 47.4% | 21.1% | 31.6% | 0.0% | 0.0% |
| Finland | 22.7% | 27.3% | 36.4% | 9.1% | 4.5% |
| France | 13.6% | 21.7% | 42.9% | 19.4% | 2.4% |
| Georgia | 0.0% | 25.0% | 50.0% | 25.0% | 0.0% |
| Germany | 20.7% | 27.3% | 30.3% | 16.5% | 5.2% |
| Greece | 3.4% | 11.2% | 38.2% | 34.7% | 12.5% |
| Hong Kong | 0.0% | 4.8% | 61.9% | 28.6% | 4.8% |
| Hungary | 16.3% | 23.9% | 38.0% | 15.2% | 6.5% |
| India | 3.7% | 0.0% | 22.2% | 37.0% | 37.0% |
| Iran | 14.3% | 14.3% | 28.6% | 28.6% | 14.3% |
| Ireland | 9.7% | 14.0% | 37.6% | 29.0% | 9.7% |
| Italy | 10.1% | 22.0% | 39.0% | 24.4% | 4.5% |
| Japan | 8.6% | 11.4% | 20.0% | 25.7% | 34.3% |
| Korea (Republic of) | 66.7% | 0.0% | 0.0% | 33.3% | 0.0% |
| Luxembourg | 14.3% | 28.6% | 14.3% | 28.6% | 14.3% |
| Macedonia | 31.3% | 12.5% | 31.3% | 25.0% | 0.0% |
| Malaysia | 15.4% | 28.2% | 33.3% | 17.9% | 5.1% |
| Maldives | 6.9% | 19.0% | 45.7% | 25.9% | 2.6% |
| Malta | 28.6% | 42.9% | 0.0% | 0.0% | 28.6% |
| Mexico | 10.6% | 14.5% | 34.1% | 31.6% | 9.2% |
| Netherlands | 13.5% | 26.9% | 42.3% | 16.0% | 1.2% |
| New Caledonia | 0.0% | 0.0% | 66.7% | 33.3% | 0.0% |
| New Zealand | 8.6% | 31.4% | 48.6% | 11.4% | 0.0% |
| Paraguay | 0.0% | 27.3% | 27.3% | 45.5% | 0.0% |
| Peru | 7.0% | 9.9% | 32.4% | 38.0% | 12.7% |
| Poland | 19.7% | 28.7% | 37.5% | 11.6% | 2.4% |
| Portugal | 11.3% | 20.2% | 42.1% | 23.1% | 3.4% |
| Romania | 20.9% | 28.7% | 36.9% | 11.1% | 2.5% |
| Russia | 18.9% | 24.4% | 34.1% | 16.9% | 5.7% |
| Serbia | 14.4% | 23.0% | 39.7% | 18.2% | 4.8% |
| Singapore | 0.0% | 50.0% | 50.0% | 0.0% | 0.0% |
| Slovak Republic | 25.0% | 30.0% | 25.0% | 15.0% | 5.0% |
| Slovenia | 34.8% | 34.8% | 21.7% | 6.5% | 2.2% |
| South Africa | 19.0% | 38.1% | 23.8% | 19.0% | 0.0% |
| Spain | 7.0% | 17.4% | 43.8% | 28.0% | 3.8% |
| Sri Lanka | 5.6% | 5.6% | 22.2% | 50.0% | 16.7% |
| Sweden | 29.4% | 19.6% | 37.3% | 7.8% | 5.9% |
| Switzerland | 15.9% | 25.2% | 38.1% | 18.1% | 2.7% |
| Taiwan | 50.0% | 0.0% | 0.0% | 50.0% | 0.0% |
| Thailand | 18.2% | 36.4% | 18.2% | 27.3% | 0.0% |
| Turkey | 0.0% | 0.0% | 0.0% | 100.0% | 0.0% |
| Ukraine | 24.3% | 31.4% | 20.0% | 20.0% | 4.3% |
| United Kingdom | 12.9% | 19.6% | 37.5% | 25.3% | 4.7% |
| United States of America | 9.9% | 24.8% | 47.1% | 14.0% | 4.1% |
| Uruguay | 2.7% | 13.1% | 42.4% | 38.3% | 3.5% |
| Vietnam | 0.0% | 0.0% | 0.0% | 25.0% | 75.0% |
| Grade Total | 10.3% | 19.5% | 39.7% | 25.1% | 5.4% |