| Location | Grade | ||||
| Grade A | Grade B | Grade C | Council of Europe Level B1 | Fail | |
| Albania | 13.0% | 21.4% | 43.6% | 20.0% | 2.0% |
| Andorra | 12.4% | 20.6% | 46.4% | 20.6% | 0.0% |
| Argentina | 11.1% | 20.1% | 49.1% | 19.0% | 0.7% |
| Austria | 33.2% | 28.8% | 31.3% | 6.3% | 0.3% |
| Bahrain | 12.0% | 36.0% | 36.0% | 16.0% | 0.0% |
| Belgium | 4.8% | 33.3% | 47.6% | 14.3% | 0.0% |
| Bosnia and Herzegovina | 15.9% | 30.5% | 30.5% | 20.7% | 2.4% |
| Brazil | 11.8% | 22.1% | 45.4% | 19.5% | 1.1% |
| Bulgaria | 19.2% | 24.5% | 40.4% | 14.3% | 1.6% |
| Cambodia | 0.0% | 2.1% | 12.8% | 41.7% | 43.3% |
| Chile | 13.6% | 18.7% | 39.8% | 23.9% | 3.9% |
| China | 2.6% | 5.0% | 31.7% | 52.0% | 8.8% |
| Colombia | 9.9% | 13.4% | 32.6% | 32.1% | 12.0% |
| Costa Rica | 12.8% | 24.8% | 45.0% | 16.8% | 0.7% |
| Croatia | 40.0% | 10.0% | 20.0% | 30.0% | 0.0% |
| Cuba | 7.7% | 23.1% | 61.5% | 7.7% | 0.0% |
| Cyprus | 10.8% | 16.3% | 37.7% | 27.2% | 7.9% |
| Czech Republic | 24.6% | 27.0% | 38.6% | 9.5% | 0.3% |
| Dominican Republic | 4.2% | 0.0% | 33.3% | 58.3% | 4.2% |
| Ecuador | 5.6% | 16.2% | 35.5% | 34.2% | 8.5% |
| Egypt | 16.7% | 4.2% | 50.0% | 29.2% | 0.0% |
| Estonia | 0.0% | 13.3% | 60.0% | 26.7% | 0.0% |
| Finland | 0.0% | 25.0% | 75.0% | 0.0% | 0.0% |
| France | 12.9% | 19.2% | 46.1% | 20.6% | 1.2% |
| Georgia | 17.1% | 21.7% | 47.3% | 13.2% | 0.8% |
| Germany | 21.2% | 26.5% | 41.6% | 10.6% | 0.1% |
| Greece | 11.2% | 24.9% | 47.0% | 15.9% | 0.9% |
| Guadeloupe | 4.2% | 16.7% | 50.0% | 29.2% | 0.0% |
| Hong Kong | 16.0% | 23.0% | 35.6% | 23.0% | 2.4% |
| Hungary | 14.1% | 22.1% | 46.9% | 16.9% | 0.0% |
| India | 9.5% | 11.7% | 24.1% | 37.5% | 17.3% |
| Indonesia | 9.3% | 13.3% | 33.9% | 31.6% | 11.9% |
| Iran | 4.6% | 13.8% | 46.2% | 24.6% | 10.8% |
| Iraq | 3.1% | 4.7% | 25.0% | 39.1% | 28.1% |
| Ireland | 8.8% | 17.2% | 47.9% | 24.8% | 1.4% |
| Italy | 11.0% | 20.2% | 46.8% | 20.8% | 1.3% |
| Japan | 11.6% | 17.4% | 30.4% | 31.9% | 8.7% |
| Jordan | 9.4% | 18.8% | 34.4% | 31.3% | 6.3% |
| Kenya | 27.3% | 18.2% | 54.5% | 0.0% | 0.0% |
| Korea (Republic of) | 46.7% | 26.7% | 6.7% | 20.0% | 0.0% |
| Lebanon | 13.8% | 13.8% | 45.5% | 23.7% | 3.2% |
| Luxembourg | 18.9% | 15.8% | 52.6% | 9.5% | 3.2% |
| Macedonia | 42.5% | 25.9% | 26.3% | 4.8% | 0.4% |
| Malaysia | 9.2% | 12.8% | 36.7% | 37.6% | 3.7% |
| Mexico | 9.4% | 18.9% | 42.2% | 26.0% | 3.5% |
| Moldova | 12.5% | 25.0% | 43.8% | 18.8% | 0.0% |
| Morocco | 15.7% | 23.3% | 41.3% | 19.2% | 0.6% |
| Netherlands | 37.0% | 30.2% | 30.9% | 1.9% | 0.0% |
| New Caledonia | 0.0% | 0.0% | 75.0% | 25.0% | 0.0% |
| Oman | 50.0% | 25.0% | 25.0% | 0.0% | 0.0% |
| Panama | 0.0% | 33.3% | 33.3% | 33.3% | 0.0% |
| Paraguay | 14.3% | 18.4% | 49.0% | 18.4% | 0.0% |
| Peru | 8.6% | 16.4% | 42.2% | 30.4% | 2.5% |
| Philippines | 23.1% | 17.9% | 25.6% | 28.2% | 5.1% |
| Poland | 22.3% | 30.1% | 38.4% | 8.9% | 0.3% |
| Portugal | 26.1% | 30.5% | 36.6% | 6.7% | 0.2% |
| Qatar | 28.6% | 14.3% | 35.7% | 21.4% | 0.0% |
| Romania | 26.9% | 28.7% | 34.8% | 9.1% | 0.5% |
| Russia | 11.8% | 22.0% | 44.0% | 20.7% | 1.5% |
| Saudi Arabia | 7.6% | 12.7% | 37.3% | 30.5% | 11.9% |
| Serbia | 32.0% | 28.7% | 32.8% | 6.5% | 0.0% |
| Slovak Republic | 5.3% | 21.1% | 45.6% | 22.8% | 5.3% |
| Slovenia | 20.0% | 30.0% | 50.0% | 0.0% | 0.0% |
| South Africa | 0.0% | 30.8% | 53.8% | 15.4% | 0.0% |
| Spain | 6.5% | 17.1% | 53.6% | 22.1% | 0.7% |
| Sri Lanka | 2.9% | 13.0% | 37.5% | 35.6% | 11.1% |
| Switzerland | 13.3% | 20.1% | 46.5% | 19.2% | 0.9% |
| Taiwan | 2.8% | 10.9% | 44.9% | 37.2% | 4.0% |
| Thailand | 9.6% | 12.0% | 28.1% | 34.5% | 15.7% |
| Tunisia | 10.7% | 14.3% | 47.6% | 23.8% | 3.6% |
| Turkey | 5.8% | 9.8% | 27.2% | 38.4% | 18.7% |
| Ukraine | 12.6% | 16.0% | 38.7% | 30.4% | 2.5% |
| United Arab Emirates | 28.6% | 33.3% | 23.8% | 14.3% | 0.0% |
| United Kingdom | 13.5% | 19.3% | 42.5% | 23.9% | 0.9% |
| United States of America | 0.0% | 14.3% | 85.7% | 0.0% | 0.0% |
| Uruguay | 8.6% | 16.7% | 49.0% | 24.5% | 1.3% |
| Vietnam | 3.4% | 7.2% | 28.2% | 49.1% | 12.0% |
| Grand Total | 10.6% | 19.4% | 46.1% | 21.7% | 2.2% |