Germany | 10–14 year olds (from a survey of 3200 children and young people) | Interview survey over 27 regions over 4 sampling periods in 12 months | 1998–9 | Data on kilometres, but not trip numbers |
New Zealand | 10–14 year olds (from a survey including 3638 children) | Interview survey based on all aspects of travel for 2 days | 1997 | Distance estimates are not available for walking |
The Netherlands | 12–14 year olds (from a survey involving 1681 pupils during their first years at various secondary schools) | Travel dairies | 1999 | |
Norway | 13–14 year olds (582 children surveyed) | Telephone interviews on one day of travel | 2001 | Journeys >100 km excluded |
Sweden | 10–14 year olds (from a survey including approx 1000 children aged 6–14 years) | Telephone interviews on one day of travel (people <15 years are interviewed through parent | 1999 | This is the most recent data of suitable quality, although later surveys have been conducted |
Switzerland | 10–14 year olds (from a survey including 3071 children aged 6–14 years) | Telephone interviews | 2000 | Some trips are classified as being of unknown mode |
UK | 10–14 years olds (1527 children surveyed) | Travel diary (1 week) | 1999–2001 | 3-years data are grouped to obtain large enough sample sizes |
USA | 10–14 year olds (from a survey of 42 033 households) | Interview based household survey | 1995 | The sample of bicycle trips was too small to give the figures separately |