An iron vote is a Taiwanese political term for a voter that can be reliabily counted on to vote for one party or another. These usually include strong supporters of Taiwan independence or Chinese reunification.
The Kuomintang was severely hurt in 2000 by the loss of iron votes.
... age or older. The median age is 37 years. For every 100 females there are 93.5 males. For every 100 females age 18 and over, there are 90.3 males.
The median income ...