The voting age in the United States is 18 years old, a decision that was made due to the 26th Amendment of the United States Constitution. This amendment, ratified in 1971, lowered the voting age from 21 to 18, allowing 18-year-olds to vote in all federal, state and local elections. The main reason for this change was the fact that 18-year-olds were being drafted and sent to fight in the Vietnam War, but were not given the right to vote. This led to a growing movement to lower the voting age, with the argument that if 18-year-olds were considered adults for the purposes of military service, they should also be considered adults for the purposes of voting.
The age of majority in the United States is 18, meaning that at 18 years old, an individual is legally considered an adult. By lowering the voting age to 18, young people were given a voice in the political process and were able to vote on issues that directly affect them. This included the right to vote for president, members of Congress, governors, mayors and other elected officials.
The 26th Amendment was a significant step towards ensuring that all American citizens, regardless of age, have a say in the political process. The decision to lower the voting age to 18 was made to align it with the age of majority and to give 18-year-olds the right to vote on issues that directly affect them, such as being drafted to fight in wars.