| Region | Year | Age Group (Percent Share of Population Reporting Travel) | (Total) | ||||||
| 5-11 | 12-16 | 17-25 | 26-34 | 35-59 | 60-64 | 65-99 | 5-99 | ||
| San Francisco | 1981 | 89% | 87% | 82% | 86% | 84% | 76% | 60% | 82% |
| San Francisco | 1990 | 86% | 85% | 81% | 85% | 86% | 73% | 65% | 82% |
| Sydney | 1981 | 86% | 84% | 77% | 81% | 78% | 71% | 61% | 78% |
| Melbourne | 1978 | 95% | 95% | 89% | 89% | 84% | 70% | 56% | 85% |
| Adelaide | 1977 | 96% | 96% | 91% | 91% | 86% | 75% | 63% | 87% |