PARTY                                              CONGRESS       SENATE
------------------------------------------------------------------------
SPANISH SOCIALIST PARTY                              175           107
POPULAR PARTY                                        106            78
CONVERGENCIA I UNIO                                   18            10
UNITED LEFT                                           17             1
DEMOCRATIC AND SOCIAL CENTRE                          14             1
BASQUE NATIONALIST PARTY                               5             4
ANDALUSIAN NATIONALIST PARTY                           2             0
VALENCIAN UNION                                        2             0
EUSKO ALKARTASUNA                                      2             0
EUSKADIKO EZKERRA                                      2             0
ARAGONESE REGIONALIST PARTY                            1             0
AGRUPACION INDEPENDIENTE DE CANARIAS                   1             1
OTHERS                                                 0             3
INTER-TERRITORIAL REPRESENTATION                       0            44 (*)
------------------------------------------------------------------------
(*)  Designated by the Autonomous Communities
------------------------------------------------------------------------