| Language | Most often used messages | MediaWiki messages | Extensions used by Wikimedia | All extensions |
|---|---|---|---|---|
| English | 100 | 100 | 100 | 100 |
| German | 100 | 100 | 99 | 57 |
| French | 100 | 100 | 100 | 100 |
| Polish | 100 | 100 | 85 | 47 |
| Japanese | 100 | 100 | 100 | 44 |
| Italian | 100 | 100 | 76 | 23 |
| Dutch | 100 | 100 | 100 | 100 |
| Portuguese | 100 | 100 | 99 | 76 |
| Spanish | 100 | 91 | 23 | 15 |
| Swedish | 100 | 100 | 100 | 68 |
| Russian | 100 | 100 | 100 | 75 |
| Classical Chinese | 95 | 79 | 2 | 0 |
| Simplified Chinese | 100 | 100 | 67 | 26 |
| Traditional Chinese | 100 | 100 | 67 | 26 |
| Norwegian (Bokmål) | 100 | 100 | 92 | 94 |
| Finnish | 100 | 100 | 55 | 35 |
| Volapük | 100 | 78 | 72 | 21 |
| Catalan | 100 | 100 | 59 | 18 |
| Romanian | 97 | 89 | 13 | 6 |
| Turkish | 100 | 78 | 29 | 10 |
| Ukrainian | 100 | 97 | 13 | 5 |
| Esperanto | 100 | 100 | 33 | 26 |
| Czech | 100 | 100 | 99 | 38 |
| Hungarian | 100 | 100 | 97 | 48 |
| Slovak | 100 | 100 | 99 | 89 |
| Danish | 100 | 100 | 27 | 6 |
| Indonesian | 100 | 99 | 99 | 28 |