Overall summary

Locations 2018-19
National Parks 15,898,110
Seven Mountain ParksFootnote 1 8,935,708
Marine Conservation AreasFootnote 2 1,616,749
All other National Parks 5,345,653
National Historic Sites 9,198,126
Historic CanalsFootnote 3 3,869,721
All other National Historic Sites 5,328,405
Totals 25,096,236

Attendance is measured in Person-visits, which is defined as:

  • Each time a person enters the land or marine part of a reporting unit for recreational, educational or cultural purposes during business hours.
  • Through, local and commercial traffic are excluded.
  • Same day re-entries and re-entries by visitors staying overnight in the reporting unit do not constitute new person-visits.