| Location | Grade | ||||
| Grade A | Grade B | Grade C | Council of Europe Level B1 | Fail | |
| Albania | 13.2% | 19.4% | 43.3% | 18.9% | 5.3% |
| Algeria | 4.3% | 8.7% | 26.1% | 52.2% | 8.7% |
| Andorra | 5.9% | 5.9% | 47.1% | 38.2% | 2.9% |
| Argentina | 11.8% | 20.5% | 47.4% | 18.9% | 1.4% |
| Australia | 2.3% | 11.7% | 49.0% | 35.1% | 1.9% |
| Austria | 21.4% | 27.1% | 40.6% | 10.3% | 0.5% |
| Azerbaijan | 0.0% | 7.7% | 38.5% | 53.8% | 0.0% |
| Bangladesh | 5.7% | 11.4% | 60.0% | 20.0% | 2.9% |
| Belarus | 19.8% | 30.6% | 38.7% | 9.9% | 0.9% |
| Belgium | 10.4% | 29.2% | 44.8% | 15.6% | 0.0% |
| Bolivia | 12.2% | 18.2% | 35.1% | 23.0% | 11.5% |
| Bosnia and Herzegovina | 20.0% | 17.3% | 41.8% | 19.1% | 1.8% |
| Brazil | 9.8% | 15.4% | 33.3% | 27.5% | 14.0% |
| Bulgaria | 20.2% | 25.4% | 38.8% | 14.4% | 1.2% |
| Cambodia | 3.5% | 4.7% | 23.5% | 42.4% | 25.9% |
| Cameroon | 1.9% | 7.5% | 35.8% | 47.2% | 7.5% |
| Canada | 4.9% | 11.7% | 47.7% | 34.2% | 1.4% |
| Chile | 12.2% | 19.2% | 41.4% | 22.9% | 4.3% |
| China | 2.1% | 5.5% | 23.5% | 57.9% | 11.0% |
| Colombia | 5.8% | 8.8% | 25.2% | 46.0% | 14.2% |
| Croatia | 34.9% | 29.0% | 30.3% | 5.2% | 0.7% |
| Cuba | 6.3% | 31.3% | 50.0% | 12.5% | 0.0% |
| Cyprus | 0.0% | 0.0% | 66.7% | 33.3% | 0.0% |
| Czech Republic | 16.4% | 25.3% | 41.2% | 15.9% | 1.2% |
| Denmark | 18.1% | 21.2% | 43.0% | 16.2% | 1.6% |
| Dominican Republic | 0.0% | 0.0% | 20.0% | 70.0% | 10.0% |
| Ecuador | 5.4% | 10.9% | 34.4% | 40.2% | 9.1% |
| Estonia | 9.7% | 22.2% | 27.8% | 31.9% | 8.3% |
| Faeroes | 17.6% | 35.3% | 41.2% | 5.9% | 0.0% |
| Finland | 14.3% | 42.9% | 14.3% | 28.6% | 0.0% |
| France | 6.7% | 13.1% | 45.0% | 32.6% | 2.6% |
| Gabon | 2.2% | 13.0% | 19.6% | 52.2% | 13.0% |
| Georgia | 12.4% | 15.7% | 44.4% | 25.1% | 2.4% |
| Germany | 17.6% | 24.6% | 42.4% | 14.6% | 0.8% |
| Guadeloupe | 0.0% | 30.0% | 50.0% | 10.0% | 10.0% |
| Hong Kong | 20.2% | 21.5% | 28.2% | 23.3% | 6.7% |
| Hungary | 20.7% | 19.0% | 40.5% | 18.1% | 1.7% |
| India | 3.4% | 6.8% | 27.9% | 49.1% | 12.8% |
| Indonesia | 15.7% | 21.7% | 38.6% | 24.1% | 0.0% |
| Iran | 1.6% | 18.1% | 35.4% | 36.2% | 8.7% |
| Ireland | 3.5% | 8.8% | 42.8% | 39.7% | 5.2% |
| Italy | 10.0% | 18.8% | 47.4% | 22.0% | 1.7% |
| Japan | 1.9% | 4.2% | 16.5% | 55.9% | 21.5% |
| Kazakhstan | 0.0% | 25.0% | 50.0% | 25.0% | 0.0% |
| Korea (Republic of) | 3.8% | 7.5% | 53.8% | 31.1% | 3.8% |
| Latvia | 36.4% | 18.2% | 27.3% | 9.1% | 9.1% |
| Lebanon | 0.0% | 0.0% | 35.7% | 64.3% | 0.0% |
| Libya | 1.8% | 8.0% | 26.5% | 54.0% | 9.7% |
| Lithuania | 11.8% | 17.6% | 47.1% | 23.5% | 0.0% |
| Macau | 0.6% | 0.6% | 5.4% | 27.7% | 65.7% |
| Macedonia | 29.6% | 14.8% | 51.9% | 3.7% | 0.0% |
| Malaysia | 11.2% | 18.5% | 38.3% | 28.4% | 3.7% |
| Maldives | 34.5% | 31.0% | 20.7% | 13.8% | 0.0% |
| Malta | 5.0% | 6.5% | 48.2% | 39.6% | 0.7% |
| Martinique | 0.0% | 0.0% | 50.0% | 0.0% | 50.0% |
| Mexico | 6.3% | 14.0% | 41.6% | 32.5% | 5.5% |
| Moldova | 7.0% | 20.0% | 44.3% | 28.7% | 0.0% |
| Montenegro | 23.3% | 30.0% | 30.0% | 15.0% | 1.7% |
| Morocco | 6.1% | 11.2% | 53.6% | 26.3% | 2.8% |
| Mozambique | 8.3% | 4.2% | 20.8% | 58.3% | 8.3% |
| Myanmar | 10.4% | 20.9% | 43.3% | 20.9% | 4.5% |
| Netherlands | 21.0% | 31.9% | 41.0% | 6.0% | 0.2% |
| New Caledonia | 0.0% | 0.0% | 33.3% | 55.6% | 11.1% |
| New Zealand | 3.6% | 14.6% | 52.9% | 26.7% | 2.2% |
| Norway | 0.0% | 0.0% | 23.1% | 61.5% | 15.4% |
| Panama | 40.0% | 20.0% | 0.0% | 40.0% | 0.0% |
| Paraguay | 27.8% | 11.1% | 61.1% | 0.0% | 0.0% |
| Peru | 6.3% | 13.9% | 40.5% | 34.5% | 4.8% |
| Philippines | 10.0% | 5.0% | 40.0% | 45.0% | 0.0% |
| Poland | 14.2% | 23.9% | 43.7% | 16.6% | 1.6% |
| Portugal | 19.1% | 28.1% | 42.5% | 10.0% | 0.2% |
| Qatar | 0.0% | 0.0% | 20.0% | 20.0% | 60.0% |
| Reunion | 25.0% | 0.0% | 75.0% | 0.0% | 0.0% |
| Romania | 18.6% | 25.5% | 41.7% | 13.5% | 0.7% |
| Russia | 10.4% | 18.1% | 43.8% | 25.1% | 2.5% |
| Serbia | 27.4% | 29.5% | 35.6% | 6.7% | 0.8% |
| Singapore | 25.0% | 0.0% | 50.0% | 25.0% | 0.0% |
| Slovak Republic | 13.4% | 25.5% | 46.8% | 13.4% | 0.9% |
| Slovenia | 40.5% | 28.4% | 27.0% | 2.7% | 1.4% |
| South Africa | 1.8% | 19.1% | 47.3% | 30.0% | 1.8% |
| Spain | 3.8% | 11.5% | 51.3% | 32.0% | 1.4% |
| Sri Lanka | 2.4% | 8.7% | 34.6% | 35.1% | 19.2% |
| Sweden | 6.5% | 30.1% | 43.0% | 19.4% | 1.1% |
| Switzerland | 9.4% | 18.3% | 49.1% | 22.4% | 0.8% |
| Taiwan | 1.7% | 6.7% | 34.2% | 45.0% | 12.5% |
| Thailand | 9.5% | 13.3% | 38.1% | 36.2% | 2.9% |
| Tunisia | 14.6% | 22.6% | 32.3% | 26.2% | 4.3% |
| Turkey | 8.1% | 10.8% | 26.7% | 37.2% | 17.2% |
| Ukraine | 10.8% | 17.2% | 42.1% | 26.2% | 3.7% |
| United Arab Emirates | 0.0% | 4.2% | 41.7% | 41.7% | 12.5% |
| United Kingdom | 4.4% | 11.6% | 45.8% | 34.8% | 3.4% |
| United States of America | 2.3% | 10.4% | 53.9% | 31.5% | 1.8% |
| Uruguay | 7.5% | 14.4% | 46.0% | 29.7% | 2.3% |
| Vietnam | 3.5% | 9.3% | 25.1% | 50.1% | 12.0% |
| Grand Total | 8.1% | 15.8% | 45.9% | 27.3% | 2.8% |