In all, sixteen presidents are already former governors, including 7 who have been incumbent governors at the time in their election on the presidency.

The nomination process, consisting of the primary elections and caucuses and also the nominating conventions, was not specified in the Constitution, but was developed over time from the states and political parties. These primary elections are generally held in between January and June prior to the general election in November, while the nominating conventions are held in the summer. Nevertheless click here not codified by regulation, political get-togethers also observe an oblique election approach, in which voters inside the fifty states, Washington, D.C., and U.S. territories, cast ballots for a slate of delegates to the political occasion's nominating Conference, who then elect their social gathering's presidential nominee.