Subscribe to one of our news e-mail lists . The Senate consists of 128 members. The Lower Chamber consists of 500 members. The president is elected by popular vote for a six-year term. The remaining 32 seats are distributed by proportional representation.
All members serve six-year terms.
All members serve three-year terms. Presidential Elections were last held on August 21, 1994. Prior to this election, the PRI appointed its candidate. An AOL Time Warner Company. All Rights Reserved.