A no confidence vote is a motion brought forward in a legislative body by the opposition party. It is usually used as a tool to undermine the majority party, and can also be used to remove people from office, depending on the system of government. A no confidence motion is a very serious political event, as it suggests a lack of faith in the current government and a desire to change it before the next scheduled election. This type of vote is most common in parliamentary democracies.

In the United States, a no confidence vote is merely a symbolic act, although actions may be taken if an official or government fails a no confidence vote. The no confidence vote does alert the populace and the government to a problem, which can be very important. In other countries, a government can be removed as a result of a no confidence vote, usually through dissolving the current parliament and holding a special election. In other nations, it is possible to hold a constructive vote of no confidence, which means that the motion includes a recommendation for a successor.

When a constructive vote of no confidence is held, it ensures that the replacement for the failing government has backing, and helps to streamline the process of transitioning. When a conventional vote of no confidence is held, it can throw a nation into chaos. For this reason, a no confidence motion is proposed only when the opposition feels that it is the sole option remaining. A no confidence vote is sometimes also used as a political tool to stall for time or smear the majority party.

In nations which do not have a no confidence system, public officials can still be removed from office through impeachment or recall. Impeachment is a formal trial and subsequent request to step down held by a legislative body. Recall is a popular election which typically removes one public official and votes in his or her replacement. Although these measures work slightly differently than a no confidence vote does, they all have the same end impact.

No confidence votes can be an important part of a democratic system. When they are used as a political tool to humiliate the majority party, no confidence votes can still play a valuable role by notifying the general public to unrest within the government. They can also be used to replace corrupt and failing governments, assuming that corruption has not tainted the parliamentary system.