| Index | Authier | Quebec | National |
| Cost of living | 93 | 88 | 100 |
| Groceries | 105 | 109 | 100 |
| Health care | 101 | 102 | 100 |
| Housing | 68 | 74 | 100 |
| Transportation | 102 | 101 | 100 |
| Utilities | 110 | 82 | 100 |
| Lifestyle & Entertainment | n/a | n/a | n/a |
| Household Items | n/a | n/a | n/a |
| Education & Childcare | n/a | n/a | n/a |
| Cost of living index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index | |
| Lifestyle index | |
| Household index | |
| Educare index |
| State | General Sales Tax | With Max Surtax |
| Quebec | 9.975% | 14.975% |
| State | Income Tax (Low) | Income Tax (High) |
| Quebec | 15% | 25.75% |
| City | Population | Cost of Living Index | National Avg. |
| Sainte-Germaine-Boulé, QC | 1,049 | 92 | 8.4% |
| Macamic, QC | 2,752 | 92 | 8.2% |
| Chazel, QC | 292 | 92 | 7.9% |
| Poularies, QC | 688 | 92 | 7.6% |
| Launay, QC | 210 | 93 | 6.9% |
| Authier, QC | 262 | 93 | 7.1% |
| City | Population | Cost of Living Index | National Avg. |
| Whittier, AK | 262 | n/a | |
| Waverly, AL | 262 | n/a | |
| Caryville, FL | 262 | n/a | |
| Cumberland, IA | 262 | n/a | |
| Hickory, KY | 262 | n/a | |
| Authier, QC | 262 | 93 | 7.1% |