You need to double that, unless you exclude females. Why do you stop at 55?
"15-24 years: 12.11% (male 1,050,889/female 1,010,596) 25-54 years: 39.83% (male 3,400,998/female 3,377,311)"
"15-24 years: 12.11% (male 1,050,889/female 1,010,596) 25-54 years: 39.83% (male 3,400,998/female 3,377,311)"