Licensed drivers
- In Iowa, 50.7 percent of licensed drivers are females age 14 and older; 49.3 percent are males. (May 2012)
- Of Iowa's total driving population, 91.4 percent are age 21 and over. (May 2012)
- Individuals age 45 to 54 represent the largest group (393,219) of Iowa licensed drivers. (May 2012)
- Of Iowa's licensed drivers, 18.6 percent or 415,020 are age 65 or older. (May 2012)
