Before the 1970s, the voting age in most democracies was 21. During the 1970s, many lowered their voting age to 18.

Investigate the voting age in different countries. Go to the Central Intelligence Agency Library World Factbook to see when you can vote if you are a citizen of different countries around the world.

Why do you think the voting age was lowered across different democracies in the 1970s? What assumptions about youth do you think minimum voting age requirements make?