S.

Holds nationwide elections every two years.

Presidents serve four year terms.

The election in between is called a mid term election.

Voters don't get as excited about midterms.

Participation is never as high as in presidential elections, but the midterms are very important.

All 435 members of the House of Representatives are up for election every two years.

1/3 of the 100 member US Senate is up for election.

Senators serve six year terms.

Most U.

S states elect governors in mid term elections mid term sometimes changed the political landscape.

The president's party almost always loses seats in both houses of Congress.

Sometimes the loss changes the party in control of the Legislature that impacts the president's ability to pursue an agenda during the second half of his or her term.