four
81 years
All 435 seats are up for election every two years.
They are in office 2 years. Next election is 2018.
4 years
all
Every 6years
after every six years
In many ways, but one way is that the election for Bolivia is every 3 years. The USA election for president is every 4 years
Off-year election generally refers to the year in between the presidential election year and the mid-term election year. Off-year elections ocur in the odd numbered years. Unless there is a vacancy, no U.S. representative's seat is up for election at that time. All 435 of the U.S. representative's seats are up for election every two years -- presidential election and the mid-term election -- the even years.
4 years
6 years or upto 65 years,whichever is earliest for Chief Election Commissioner, 6 years or upto 62 years,whichever is earliest for Election Commissioners