Overview of minimum age for casting votes in the Americas, Europe and Oceania. While in most countries votes can be cast at 18 years of age, a number of states in the Americas, Austria and Malta have lowered this threshold to 16.  In some countries voting age varies for different types of elections.

Comparison of minimum candidacy age in eight types of elections in the Americas, Europe and Oceania. Age thresholds vary across countries and types of elections. The lowest age threshold applied is 16 (local and regional elections) and the highest is 40 (presidential and senate elections).

Overview of mandatory voting provisions in the Americas, Europe and Oceania. Voting is not mandatory in most European countries, North America, and a few countries in Central and South America. Non-voters in countries where voting is mandatory risk moderate to heavy fines (not always enforced).

Comparison of remote voting rights for citizens of countries in the Americas, Europe and Oceania residing abroad in five types of elections: supranational, national presidential, national parliamentary, regional assembly, and local assembly. Most countries allow remote voting for national parliamentary and presidential elections. Remote voting in local and regional elections is less common. If available, it applies only to some countries or constituencies.

Overview of voting methods for non-resident citizens in direct national legislative or presidential elections in the Americas, Europe and Oceania. Most countries allow remote voting through postal voting, return to the country for casting a vote and/or embassy voting. Only 5 countries allow voting by proxy. E-voting is available in Estonia, France (suspended) and Mexico, and in Australia, Colombia and Switzerland in some foreign countries or for some constituencies.