noun
voting age
Legal term for the minimum age at which a person is entitled to vote in elections.
日本では選挙権年齢は18歳以上です。
In Japan, the voting age is 18 years or older.
被選挙権 is the right to be elected (eligibility for office), while 選挙権年齢 is the age at which one gains the right to vote.
Compound of 選挙権 (right to vote) and 年齢 (age).