Most swimming facilities have a «family swim» time specifically for parents with children of varying ages. (articles.chicagotribune.com)
Families with multiple children of varying ages have different requirements than families with older, more independent children. (kala.org)
Costs are based on the numbers of adults and children of varying ages in each household and where the family lives, with 152 different family types included in the report. (sciencedaily.com)