NOTE - this was a redirect, but it's not appropriate to redirect from quadruplet etc to twin. We need an article on multiple birth here
... from 25 to 44, 21.9% from 45 to 64, and 16.9% who are 65 years of age or older. The median age is 39 years. For every 100 females there are 113.3 males. For every 100 ...