A monarchy doesn't elect it's officials; they are born into office.
Comparison chart
 | Monarchy | Republic |
|---|---|---|
| Introduction (from Wikipedia) | A monarchy is a form of government in which sovereignty (power) is held by a single family, and sovereignty is passed down among family members. | A republic is a form of government or country in which power resides in elected individuals representing the citizen body and government leaders exercise power according to the rule of law. |
| Philosophy | Royal families were thought to have been selected by God. | Republics are in opposition to rulership by a single person. All eligible citizens get equal say in decisions through elected representatives. Unalienable rights of individuals are protected by law to safeguard against a majority abusing the minority |
| Free Choice | The king or queen makes the decisions for the country. | Individuals may make decisions for themselves, especially insofar as there is a constitutional prohibition on interfering with freedom of choice. |
| Constraints on the government | In a monarchy, the King or Queen makes all the decision for the people (with the help of advisers). | Yes; the majority cannot take away certain inalienable rights. |
| Key Elements | Divine right of kings | Free elections. Constitution. Suffrage. Individual rights. |
| Modern Examples | Oman, Swaziland, Saudi Arabia, Qatar, Vatican City | The United States of America is a constitutional democratic republic. |
| Way of Change | No way of certain way of change apart from overthrowing the royal family. | Voting. |
| Disadvantages | If the people don't like the rules set in place by the royal family, there is no changing it. | constant debates, deadlocks |
Comments: Monarchy vs Republic