| Index | Ajax | Ontario | National |
| Cost of living | 109 | 113 | 100 |
| Groceries | 115 | 110 | 100 |
| Health care | 106 | 104 | 100 |
| Housing | 101 | 123 | 100 |
| Transportation | 105 | 104 | 100 |
| Utilities | 132 | 121 | 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 |
| Ontario | 8% | 13% |
| State | Income Tax (Low) | Income Tax (High) |
| Ontario | 5.05% | 13.16% |
| City | Population | Cost of Living Index | National Avg. |
| Pickering, ON | 96,267 | 109 | 8.6% |
| Whitby, ON | 142,607 | 109 | 8.9% |
| Markham, ON | 359,111 | 109 | 9.5% |
| Whitchurch-Stouffville, ON | 52,025 | 110 | 9.8% |
| Oshawa, ON | 176,009 | 110 | 10.3% |
| Ajax, ON | 138,303 | 109 | 9.4% |
| City | Population | Cost of Living Index | National Avg. |
| Gainesville, FL | 138,122 | n/a | |
| Coral Springs, FL | 137,865 | n/a | |
| Trois-Rivières, QC | 138,766 | 85 | 14.9% |
| Hampton, VA | 138,888 | n/a | |
| Warren, MI | 139,183 | n/a | |
| Ajax, ON | 138,303 | 109 | 9.4% |