The USA run presidential elections every 4 years.
While there may be Special Elections at any time and cities and counties may have there own elections when they choose, statewide elections will be held no less then every two years since the US House of Representatives are elected for two year terms of office.
November
presidential elections are every 4 years
Spain has a general election every four years.
Most cities do not have a term limit for the office of mayor. A mayor may hold office for as long as he can keep winning election. Terms between election may vary depending on the city.
Political parties generally hold conventions during election years, typically in the summer before a national election. Conventions are used to nominate the party's candidate for president and to develop the party's platform.
four
Senators in the United States hold their positions for six years. They are elected to serve this term and can be re-elected for subsequent terms if they choose to run for re-election and are successful in the election.
It used to be every 4 years. However, currently they hold presidential elections every 5 years.
It was true in 2012 and it has been a tradition for many years that New Hamshire hold the first presidential primary in election years. i do not know which state held the very first primary.
A U.S. senator is up for re-election every six years, and there is no limit on how many terms can be served.
81 years
No nation is currently scheduled to hold an executive or legislative election on November 26 2012.