| Houston | Herstal | |
| Mid-range restaurant | USD 50.00 | USD 54.24 |
| Chicken breasts at the market | USD 7.44 | USD 8.13 |
| Utilities (Electricity, Heating, ...) for medium apartment | USD 241.43 | USD 157.87 |
| Lettuce | USD 1.46 | USD 1.19 |
| Monthly Pass (local transport) | USD 60.00 | USD 61.02 |