| viking river cruise ships by age | 0.59 | 1 | 7031 | 32 | 24 |
| viking river cruise ships ages | 0.17 | 0.6 | 8051 | 30 | 84 |
| viking river ships by age | 1.36 | 0.5 | 8765 | 25 | 60 |
| average age viking river cruise | 1.5 | 0.1 | 3959 | 31 | 47 |
| age of viking cruise ships | 1.32 | 1 | 3030 | 26 | 12 |
| average age of viking river cruise passenger | 0.19 | 0.2 | 8100 | 44 | 6 |
| viking river cruise age limit | 1.54 | 1 | 2393 | 29 | 83 |
| viking ships by age | 1.18 | 0.8 | 9489 | 19 | 70 |
| viking river cruise age restriction | 0.75 | 0.7 | 4199 | 35 | 50 |
| viking cruise age limit | 0.12 | 0.6 | 7658 | 23 | 100 |
| viking ocean ships by age | 0.43 | 0.6 | 6269 | 25 | 96 |
| average age of viking cruise passengers | 0.82 | 0.8 | 1713 | 39 | 96 |
| age limit for viking cruises | 0.12 | 0.2 | 5912 | 28 | 2 |
| viking cruise minimum age | 1.49 | 0.8 | 4403 | 25 | 23 |
| viking river cruise information | 1.53 | 0.7 | 5958 | 31 | 18 |
| average age on viking ocean cruises | 1.53 | 0.8 | 8313 | 35 | 58 |
| viking cruises age requirement | 0.61 | 0.8 | 3187 | 30 | 55 |
