| Chicago | Ottignies-louvain-la-neuve | |
| Pack of cigarettes | USD 10.00 | USD 7.05 |
| One-way ticket (local transport) | USD 2.25 | USD 2.71 |
| 1 Summer dress in a chain store | USD 32.14 | USD 60.07 |
| 1 min. of prepaid mobile tariff | USD 0.16 | USD 0.33 |
| Apartment (1 bedroom) outside of centre | USD 978.58 | USD 776.32 |