选举门槛是指拥有选举权之公民，又称为选举资格，要成为被选举人所需要符合的条件。

一般民主国家，对于公民参政都会有年龄上的设限。

。要参选台湾的总统选举除了须满40岁的年龄条件外~~ 1.国籍要达15年~~及居住时间超过半年~~不得为陆港澳归化人员!! 第20条 2.无受贪渎,内乱外患罪责~~ 第26条 3.须经政党或连署推荐~~ 可参考总统副总统选举罢免法（新 84.08.09 制定） 4.总统选举从未以具备大学或是大专的学历为限制条件~~

The electoral threshold is the minimum share of the vote which a political party requires to secure any representation.

This limit can operate in various ways. For example:

In party-list proportional representation systems, an election threshold is a rule that requires that a party must receive a specified minimum percentage of votes (e.g. 5%), either nationally or within a particular district, to obtain any seats in the parliament.