联邦投票年龄降低需要再来一次宪法修正案，上次从21岁到18岁是因为18岁要被征兵。要2/3州同意降到16岁无望

https://en.wikipedia.org/wiki/Twenty-sixth_Amendment_to_the_United_States_Constitution#:~:text=The%20Twenty%2Dsixth%20Amendment%20(Amendment,it%20by%20July%201%2C%201971.

所有跟帖： 

• 现在不征兵了，可以回到21岁了 -avw- ♀ (0 bytes) () 01/12/2024 postreply 23:47:36