Denmark has issued stamps since 1851. The first person to be featured on a Danish stamp was King Christian IX. The years appearing after each name refer to when that person was first featured on a stamp.
... is spread out with 21.6% under the age of 18, 7.1% from 18 to 24, 29.3% from 25 to 44, 26.4% from 45 to 64, and 15.7% who are 65 years of age or older. The median ...