Knowledge of official languages, Williams Lake (CA), 2001 to 2021
| Years | Official languages | |||
|---|---|---|---|---|
| English only | French only | English and French | Neither English nor French | |
| 2001 | 94.6 | 0.0 | 4.9 | 0.5 |
| 2006 | 94.5 | 0.0 | 4.9 | 0.6 |
| 2011 | 95.7 | 0.0 | 3.9 | 0.4 |
| 2016 | 95.8 | 0.2 | 3.8 | 0.4 |
| 2021 | 95.9 | 0.0 | 3.8 | 0.3 |
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