Figure 4-1: Licensed Drivers in Idaho by Age and Sex: 2000,, (Thousands),, Age,Male,Female 19 and under,35 ,35 20-24,43 ,44 25-29,37 ,39 30-34,38 ,40 35-39,42 ,43 40-44,47 ,47 45-49,45 ,45 50-54,38 ,40 55-59,29 ,30 60-64,23 ,24 65-69,19 ,19 70-74,17 ,16 75-79,14 ,12 80-84,8 ,7 85 and over,4 ,4 "SOURCE: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics 2000, Washington, DC: 2001.",,