The Constitutional Convention has voted in favour of lowering the voting age, but has rejected reducing the presidential term.
At its meeting in Dublin, 52% of delegates voted in favour of lowering the voting age.
Of these, 48% were in favour of lowering the age to 16 with 39% selecting 17.
A reduction in the Presidential term from seven to five years was opposed by 57%.
The chairperson of the Constitutional Convention Tom Arnold said today was the first day of allowing Irish citizens to have a meaningful input into some of the most important matters facing society.