1. That day of the year which has the longest period of daylight (see summer solstice), falling on 22 June in the northern hemisphere and on 21 December in the southern hemisphere.
... 31.9% from 25 to 44, 23.3% from 45 to 64, and 13.9% who are 65 years of age or older. The median age is 38 years. For every 100 females there are 94.9 males. For every ...